LED Type : Black SMD 3in1 2121 Pixel Pitch (mm) : 4 Panel Dimensions (WxHxD)/(mm) : 1152x288x54 Pixel Per Panel : 288x72 Panel Weight (kg) : 8 Panel Material : Die Casting Aluminum Module Dimensions (WxH)/(mm) : 288x288 Brightness (nit) : 800 Refresh Rate (Hz) : 3840 Gray scale (bit) : 14 Contrast Ratio : 4500:1 Color Temperature (K) : 6500 Viewing Angle (H/V) (°) : 160/140 Driving Type : 1/18 AC Operating Voltage (V) : 100~240 Power Consumption (Max./Avg.)(W/m²) : 434/145 Storage Temperature (?) : ?40~?60 Operating Temperature (?) : ?10~?40 Storage Humidity (RH) : 10?~85? Operating Humidity (RH) : 10?~80? IP Rating (Front/Rear) : IP40/IP21 LED Lifetime (H) : 100000 Module Maintenance : Front or Rear PSU & Others Maintenance : Front or Rear