LED Type:DIP 5mm,and also could be made P20 VirtualPitch: 22 mm Unit size:176x176 mm Display resolution: 8x8 Pixel configuration: 2R1G1B Density of pixel(dot/): 2066 Best viewing angle: H;110° V;40° Max.power consumption(w/m2): ≤650 Luminance(cd/m2): ≥4000 Driving mode:Static constant current Working voltage: AC 220V/50HZ Working environment: Temperature:-40--60 degree  Related humidity:10---90 degree Grey scale color: 4096 grades for R,G and B, Display≥16.7M colors(synchronized) Brightness adjustment: Manual adjustment:256 levels, Automatic adjustment:8 grades Control system:Synchronous/off-line control system,Network cable or optical fiber transmission 10000 hours 100000 hours