Pixel pitch: 10mm color: red + green + blue light-emitting point color combinations 1R1G1B pixels: Epistar + Huacan Physical density: 10000 points / m2 best viewing distance: 10-120m Angle: Horizontal 110 °, vertical 45 ° Storage temperature: -50 ℃ ~ + 80 ℃ Operating temperature: -20 ℃ ~ + 50 ℃ Relative Humidity: 10% to 95% Operating voltage: 220V ± 10% (three-phase five-wire system) Average power consumption: 330W / m2 Maximum power consumption: 750W / m2 control panel: Legend opening day or the same or better quality host computer's operating system: WIN 98/2000 / XP control mode: Synchronization control Graphics: DVI video card driver device: LED device-specific driver 2) Drive mode: 1/4 constant current drive (real pixels) 3) Refresh Rate: ≥1600Hz 4) frame rate: ≥60Hz 5) Contrast / color: red, green, and blue display 32768 32768 * 32768 * 32768 kinds of color 6) Brightness: ≥7500cd / m2 7) Brightness adjustment: software 100 adjustable 8) video signal: RF, S-Video, PAL, NTSC, RGB, RGBHV, YUV, YC, COMPOSITION, 9) control system uses: PCTV + DVI graphics card + Master card + optical fiber transmission (optional) 10) MTBF: 10,000 hours 11) Lifespan: 100,000 hours 12) Flatness: between any adjacent pixels ≤0.5mm; unit board splicing gap <1mm; 13) Uniformity: pixel light intensity, brightness uniformity module board 14) Miscellaneous Rate: <0.0001 15) Power Switch: Automatic Switch 16) switching power supply load: 5V / 40A, 5V / 30A 17) computer display mode: 1024 × 768 18) Effective communication distance: cable 100m (without relay), multimode fiber 500m, single mode fiber 20km 19) Video Input / Output: eight input / eight output 20) Display Front protection rating: IP65; protection technology: moisture, corrosion, anti-static, anti-lightning