Pixel pitch 6mm Led Chip: epistar. Size of module 192*192mm Pixel density 27778dots/m2 Pixel composition 1R1G1B LED encapsulation SMD3528 Resolution of module 32*16 Max Power consumption 1000W/M2 Best viewing distance 6m Best viewing angle (H) 120degree Size of standard cabinet 576X576mm Resolution of standard cabinet 128*128 Weight of standard cabinet 8kg Driving method 1/8 scan, constant current Frame frequency �60Hz/s Refresh rate �300Hz/s White balance brightness�2000cd/m2 Working environment temperature -20 £C-50 £C lower temperature is optional Working voltage 220 10% or 110 10% Display colors �16.7M(synchronized) Brightness adjustment 256 levels of each color can be Adjusted manually, and 8 levels of each color can be adjusted Automatically MTBF More than 10000 hours Lifespan More than 100000 hours Malfunction dot rate Less than 0.0001 Transmission distance LAN cable 100m, optic fiber transmission: MMF 500m, SMF 20km Refresh rate can be higher by using more receivers; other parameter can be changed.