Specification SY-04 1) pitch : 20 mm 2) Cell board size(L*W): 512*256mm 3) Cell board pixels(dots): 64*32 4) Lattice density(dots/m2): 2500 5) Max. Power consumption/m: 600W 6) Viewing distance: 10-150 meters 7) Pixel Configuration: 2 Red 8) Control mode: Video frequency synchronization 9) Display colors: 65536 kinds 10) Grey scale: 256 grades 11) Display mode Highest: 1600*1280 12) Effective communication distance: 120 meters 13) Driving mode: Static latching 14) Frame frequency: 120HZ 15) MTBF Not less than 10000 hours 16) Supply voltages: AC220V/50HZ 17) Environment temperature: -10-+60 degree 18) Life span: 100000 hours