Page 2 from comparison Acer Cb271H

12 comparisons are ready for you on this page

Compare Acer Cb271Hwith Dell P2419Hc

Feature

Acer Cb271H

Dell P2419Hc

Size Without Stand 62 * 381 * 640 millimeter (mm) 42.8 * 322.2 * 537.8 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) 3.52 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) 166 * 356.1 * 537.8 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) -
Stand Height Adjustment false false
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true true
Display Size 27 inch 23.8 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 8 (6 + FRC) bit
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 250 nit
Static Contrast Ratio
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 75 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 50 hertz (hz)
Minimum Response Time 1 millisecond (ms) 5 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP Blue Light Filter for eye protection / Flicker-Safe technology / HDCP
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false false
Standby Power Consumption
Maximum Power Consumption
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable DisplayPort cable / USB Type-C cable
Operating Temperature Range - 0 to 40 degrees Celsius

Compare Acer Cb271Hwith Viewsonic Va2456 H

Feature

Acer Cb271H

Viewsonic Va2456 H

Size Without Stand 62 * 381 * 640 millimeter (mm) 49 * 325 * 540 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) 3.5 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) 198 * 390 * 540 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) 3.9 kilogram (kg)
Stand Height Adjustment false false
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true false
Display Size 27 inch 23.8 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 8 (6 + FRC) bit
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 250 nit
Static Contrast Ratio
Dynamic Contrast Ratio
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 75 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 50 hertz (hz)
Minimum Response Time 1 millisecond (ms) 5 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP Blue Light Filter for eye protection / Flicker-Safe technology / HDCP
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false false
Standby Power Consumption
Maximum Power Consumption
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable D-sub cable
Operating Temperature Range - 0 to 40 degrees Celsius

Compare Acer Cb271Hwith Dell E2316H

Feature

Acer Cb271H

Dell E2316H

Size Without Stand 62 * 381 * 640 millimeter (mm) 50.5 * 322 * 544.8 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) 2.98 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) 180 * 415 * 544.8 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) 3.77 kilogram (kg)
Stand Height Adjustment false false
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true false
Display Size 27 inch 23 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 8 bit
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 250 nit
Static Contrast Ratio
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 170 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 160 degree (°)
Max Refresh Rate 75 hertz (hz) 76 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 56 hertz (hz)
Minimum Response Time 1 millisecond (ms) 5 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP HDCP (High-bandwidth Digital Content Protection)
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false false
Standby Power Consumption
Maximum Power Consumption
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable D-sub cable / DisplayPort cable
Number of D-Sub Ports - 1 x D-Sub Port
Operating Temperature Range - 0 to 40 degrees Celsius

Compare Acer Cb271Hwith Lg 24Mp58Vq

Feature

Acer Cb271H

Lg 24Mp58Vq

Size Without Stand 62 * 381 * 640 millimeter (mm) 85.5 * 332.1 * 550.5 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) 2.8 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) 186.8 * 419 * 550.5 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) 3.2 kilogram (kg)
Stand Height Adjustment false false
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true false
Display Size 27 inch 23.8 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 8 bit
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 250 nit
Static Contrast Ratio
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 75 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 56 hertz (hz)
Minimum Response Time 1 millisecond (ms) 5 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP -
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false true
Standby Power Consumption
Maximum Power Consumption
Wall Mounting and Connectivity true false
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable D-sub cable
Input Lag Time - 16 millisecond (ms)
Number of D-Sub Ports - 1 x D-Sub Port
Operating Temperature Range - 0 to 40 degrees Celsius

Compare Acer Cb271Hwith Dell D3218Hn

Feature

Acer Cb271H

Dell D3218Hn

Size Without Stand 62 * 381 * 640 millimeter (mm) 210 * 480 * 730 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) -
Size With Stand 237 * 402 * 640 millimeter (mm) -
Total Weight With Stand 7.33 kilogram (kg) 7.3 kilogram (kg)
Stand Height Adjustment false true
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true false
Display Size 27 inch 31.5 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit -
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 300 nit
Static Contrast Ratio
Dynamic Contrast Ratio
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 60 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) -
Minimum Response Time 1 millisecond (ms) 8 millisecond (ms)
Display Coating Type Anti-reflection - Matte -
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP -
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false false
Standby Power Consumption -
Maximum Power Consumption
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable -
Number of D-Sub Ports - 1 x D-Sub Port

Compare Acer Cb271Hwith Acer Nitro Vg270 S

Feature

Acer Cb271H

Acer Nitro Vg270 S

Size Without Stand 62 * 381 * 640 millimeter (mm) 66 * 367 * 614.68 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) 5.11 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) 238.49 * 475.485 * 614.314 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) 5.341 kilogram (kg)
Stand Height Adjustment false false
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true false
Display Size 27 inch 27 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 8 bit
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 250 nit
Static Contrast Ratio
Dynamic Contrast Ratio
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 165 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 48 hertz (hz)
Minimum Response Time 1 millisecond (ms) 2 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP AMD FreeSync Technology / Blue Light Filter for eye protection / Flicker-Safe technology - HDCP
Speaker Type true true
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false true
Standby Power Consumption
Maximum Power Consumption -
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable HDMI cable
Operating Temperature Range - 0 to 40 degrees Celsius

Compare Acer Cb271Hwith Asus Tuf Gaming Vg27Aq1A Qhd

Feature

Acer Cb271H

Asus Tuf Gaming Vg27Aq1A Qhd

Size Without Stand 62 * 381 * 640 millimeter (mm) -
Net Weight Without Stand 4.4 kilogram (kg) 4.3 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) -
Total Weight With Stand 7.33 kilogram (kg) 5.4 kilogram (kg)
Stand Height Adjustment false false
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true true
Display Size 27 inch 27 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 10 bit
Supported Colors Count 1 billion colors
Panel Image Resolution 1080 × 1920 2560 × 1440
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 250 nit
Static Contrast Ratio
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 170 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 48 hertz (hz)
Minimum Response Time 1 millisecond (ms) 1 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP -
Speaker Type true true
Digital Audio Output Support false -
3.5mm Input Support false -
Headphone Output Port false true
Standby Power Consumption
Maximum Power Consumption -
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable DisplayPort cable (optional) / HDMI cable (optional)
360 Degree Pivot Adjustment - false
Background Lighting System -
Panel Manufacturer -
sRGB Color Space Coverage Percentage - 130 percent (%)
DCI P3 Color Gamut Coverage Percentage - 95 percent (%)
Operating Temperature Range - 0 to 50 degrees Celsius
Year of Manufacture and Production -

Compare Acer Cb271Hwith Dell P2720D

Feature

Acer Cb271H

Dell P2720D

Size Without Stand 62 * 381 * 640 millimeter (mm) 43.6 * 364.1 * 611.6 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) 4.57 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) 185 * 395.3 * 611.6 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) 6.87 kilogram (kg)
Stand Height Adjustment false true
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true true
Display Size 27 inch 27 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 8 bit
Supported Colors Count
Panel Image Resolution 1080 × 1920 2560 × 1440
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 350 nit
Static Contrast Ratio
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 75 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 49 hertz (hz)
Minimum Response Time 1 millisecond (ms) 5 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP Flicker-Safe technology / Low Blue Light for eye protection
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false false
Standby Power Consumption
Maximum Power Consumption
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable DisplayPort cable / USB 3.0 cable
sRGB Color Space Coverage Percentage - 99 percent (%)
Operating Temperature Range - 0 to 40 degrees Celsius

Compare Acer Cb271Hwith Xvision Xs2450H Fhd

Feature

Acer Cb271H

Xvision Xs2450H Fhd

Size Without Stand 62 * 381 * 640 millimeter (mm) -
Net Weight Without Stand 4.4 kilogram (kg) -
Size With Stand 237 * 402 * 640 millimeter (mm) 168 * 440 * 539 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) 3.2 kilogram (kg)
Stand Height Adjustment false false
Vertical Tilt Adjustment true -
Horizontal Swivel Adjustment true false
Display Size 27 inch 24 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit -
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 250 nit
Static Contrast Ratio
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 75 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 56 hertz (hz)
Minimum Response Time 1 millisecond (ms) 14 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP LED panel with A+ quality rating
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false false
Standby Power Consumption
Maximum Power Consumption
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable -
360 Degree Pivot Adjustment - false
Panel Curvature Type - Flat
Number of D-Sub Ports - 1 x D-Sub Port

Compare Acer Cb271Hwith Samsung S24A310 Fhd

Feature

Acer Cb271H

Samsung S24A310 Fhd

Size Without Stand 62 * 381 * 640 millimeter (mm) 53.7 * 335 * 565.3 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) 2.4 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) 180.8 * 430 * 565.3 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) 2.8 kilogram (kg)
Stand Height Adjustment false false
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true false
Display Size 27 inch 24 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 8 (6 + FRC) bit
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 200 nit
Static Contrast Ratio
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 60 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) -
Minimum Response Time 1 millisecond (ms) 9 millisecond (ms)
Display Coating Type Anti-reflection - Matte Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP Flicker-Free Technology / Low Blue Light for eye protection / Windows 10 certified
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false false
Standby Power Consumption
Maximum Power Consumption
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable HDMI cable
360 Degree Pivot Adjustment - false
Panel Curvature Type - Flat
Background Lighting System -
Pixel Density on Display -
Number of D-Sub Ports - 1 x D-Sub Port
Operating Temperature Range - 10 to 40 degrees Celsius
Wall Mounting Details - VESA standard 100 x 100 mm
Year of Manufacture and Production -

Compare Acer Cb271Hwith Sam S24Rf625

Feature

Acer Cb271H

Sam S24Rf625

Size Without Stand 62 * 381 * 640 millimeter (mm) -
Net Weight Without Stand 4.4 kilogram (kg) -
Size With Stand 237 * 402 * 640 millimeter (mm) -
Total Weight With Stand 7.33 kilogram (kg) -
Stand Height Adjustment false false
Vertical Tilt Adjustment true true
Horizontal Swivel Adjustment true false
Display Size 27 inch 23.8 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit -
Supported Colors Count
Panel Image Resolution 1080 × 1920 1080 × 1920
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 220 nit
Static Contrast Ratio
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 60 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) -
Minimum Response Time 1 millisecond (ms) 8 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false false
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP Eye Saver Mode for improved image settings for eye comfort
Speaker Type true false
Digital Audio Output Support false false
3.5mm Input Support false false
Headphone Output Port false false
Standby Power Consumption -
Maximum Power Consumption -
Wall Mounting and Connectivity true false
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable -
360 Degree Pivot Adjustment - false
Number of D-Sub Ports - 1 x D-Sub Port

Compare Acer Cb271Hwith Gigabyte Aorus Fo48U 4K Uhd

Feature

Acer Cb271H

Gigabyte Aorus Fo48U 4K Uhd

Size Without Stand 62 * 381 * 640 millimeter (mm) 43.1 * 611.8 * 1068.5 millimeter (mm)
Net Weight Without Stand 4.4 kilogram (kg) 14.7 kilogram (kg)
Size With Stand 237 * 402 * 640 millimeter (mm) 251.1 * 675.1 * 1068.5 millimeter (mm)
Total Weight With Stand 7.33 kilogram (kg) 15 kilogram (kg)
Stand Height Adjustment false false
Vertical Tilt Adjustment true false
Horizontal Swivel Adjustment true false
Display Size 27 inch 48 inch
Panel Technology
Panel Bit-Depth 8 (6 + FRC) bit 10 bit
Supported Colors Count 1 billion colors
Panel Image Resolution 1080 × 1920 2160 × 3840
Screen Aspect Ratio
Panel Size and Resolution
Maximum Brightness Level 300 nit 600 nit
Static Contrast Ratio -
Dynamic Contrast Ratio -
Horizontal Viewing Angle Range 170 degree (°) 178 degree (°)
Vertical Viewing Angle (Degrees) 160 degree (°) 178 degree (°)
Max Refresh Rate 75 hertz (hz) 120 hertz (hz)
Minimum Refresh Rate 55 hertz (hz) 48 hertz (hz)
Minimum Response Time 1 millisecond (ms) 1 millisecond (ms)
Display Coating Type Anti-reflection - Matte Anti-reflection - Matte
3D Playback Capability false -
Additional Features Blue Light Filter for eye protection / Flicker-Safe technology / HDCP -
Speaker Type true true
Digital Audio Output Support false true
3.5mm Input Support false false
Headphone Output Port false true
Standby Power Consumption -
Maximum Power Consumption -
Wall Mounting and Connectivity true true
Box Contents Audio cable / D-sub cable / DVI-D cable / HDMI cable DisplayPort cable / HDMI cable / USB cable / Remote control
360 Degree Pivot Adjustment - false
Pixel Density on Display -
sRGB Color Space Coverage Percentage - 130 percent (%)
DCI P3 Color Gamut Coverage Percentage - 98 percent (%)
Wall Mounting Details - VESA standard 300 x 300 mm
Year of Manufacture and Production -