Pixel Resolution: 4mm pixel pitch Pixel Structure: 3-in 1 or Separate LEDs LED configuration: 1R, 1G, 1B  Pixel density: 62500dots/m2 Luminance intensity: 2500cd/m2 Cabinet resolution: 128pixels(W)×128pixels(H) Cabinet dimension: 512mm(W)x512mm(H) Visual distance: 3～200m Display mode: VGA in phase Drive mode: constant current drive LED type: Nichia, Cree, LumiLED Brightness adjustment: 64 levels automatic or manual Grey scale: each basic color has 4096 ranks Colors: over 4 billion Average power consumption:1KW/ m2 Maximum power consumption: 2KW/ m2 Viewing angel: horizontal：140°，vertical：60° Video input: Video、S-Video、DVI、RGB digital signal Maximum control distance: >1000m（by fiber optic） LED lifetime: 100,000 hours Working temperature: -20℃～+60℃ Working humidity: 10%—95%RH Wind proof: 10 Quake proof: 8 Working voltage: 220V±15%，110V±10% Protection rate: IP65