Structure that each pixel composed of the three surface mount lamp 1, the point spacing (mm): 7.62 2, pixel dots: 1R1PG1B 3, the unit board size (mm): 244 * 122 4, the unit board resolution (L * W): 32 * 16 5, the point density (points / m2): 17222 6, Brightness (cd / m2): 2000 7, the best viewing distance (m) :5-80 8, peak power (≤ W / m2): 250 9, the average power consumption (≤ W / m2): 160 10, Weight (kg / m2): 24 11, scan mode: 1 / 4 12, Viewing Angle: 120 degrees (both about 60 degrees) 13, drive voltage (V): 5 ~ 5.5 14 gray levels: red, green and blue 1024 15, Display color: 16777216 16 Frame rate: ≥ 60 (frames / sec) 17, control: synchronized with computer monitor 18, display mode: 1024 * 768 or 800 * 600 19, the screen life: ≥ 10 万 小时 20, blind spot rate: ≤ 0.0002 21, working voltage: AC220V ± 15% 47 ~ 64HZ 22, control distance: less than 100 meters (without relay), single-mode fiber is less than 500 meters 23, the system working environment temperature: -10 ℃ ~ 50 ℃ 24, system working environment humidity: 10% ~ 90% RH