LED Type : SMD 3in1 2121 Pixel Pitch (mm) : 3.9 Panel Dimensions (WxHxD)/(mm) : 500x500x87 Pixel Per Panel : 128x128 Panel Weight (kg) : 9 Panel Material Die Casting : Aluminum Module Dimensions (WxH)/(mm) : 250x250 Brightness (nit) : 1000 Refresh Rate (Hz) : 1920 Gray scale (bit) : 14 Contrast Ratio : 7000:1 Color Temperature (K) : 6500 Viewing Angle (H/V) (°) : 140/140 Driving Type : 1/16 AC Operating Voltage (V) : 100~240 Power Consumption (Max./Avg.)(W/m²): 540/180 Storage Temperature (?) : ?40~?60 Operating Temperature (?) :?10~?40 Storage Humidity (RH) : 10%?90% Operating Humidity (RH) : 10%?90% IP Rating (Front/Rear) : IP40/IP21 LED Lifetime (H) : 100000 Module Maintenance : Front or Rear PSU & Others Maintenance : Rear Panel Installation Type : Hanging/Stacking *Remark:Power consumption tolerance: ±15%, according to the actual situation.