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Backlight Type | DLED Side Entry |
Display Type | 2D |
Pixel Pitch | 0.2451 x 0.2451mm |
Screen Ratio | 16:9 |
Physical Resolution | 3840*2160(4K) |
Brightness | 350cd/㎡(center point) |
Contrast Ratio | 1200:1 (Typ.) Transmissive |
Display color | 8 bit/16.7 M |
Viewable Angle | 89/89/89/89 |
Refresh rate | 60Hz |
Connector | VGA/DVI |
Frequency (H/V | 30~80KHz / 60~75Hz |
Input voltage | 100-240 V AC, 50-60 Hz |
The output voltage | 12 volts at 3 amps max |
Touch Screen Type | 21.5 " flat capacitive screen |
Touch Points | 10 Touch Points |
Touch Way | Capacitive Touch Technology |
Drive Mode | Usb Free Drive (232 Optional) |
Touch Communication Port | Usb2.0 (rs323 Optional) |
Touch Response Speed | <5ms |
Touch Accuracy | ≦2mm |
Touch Support System Platform | Xp/win7/ Win10/ Linux/ Android |
Operating Voltage | 110-240v/50-60hz |
Power Consumption | About 90w, Standby≦0.5w |
Input Port | Vga/dvi/usb (hdmi Optional) |
Power Interface | Pin Holder, Three-core Power Cord Working Environment |
Operating Temperature | 0℃-50℃ |
Working Humidity | 10%rh-90%rh |
Overall Size | 1014.8mm*608.6mm*141mm |
Package Dimensions | 1118*235*715mm |
Packing | Membrane Bag + Pearl Cotton + Carton |











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