--Model No.:P6.6-48*144-A --Display details:Full matrix,double-sided display size(H*W):320*960mm,3lines message w/ static or scrolling LED module:24*48 dots*6pcs,each moudle size:160*320mm pitch size:6.6mm,pixel density:22500dots/m2 Amber LED,SMD 3535 LED brightness:4500cd/m2 LED lifespan:100,000 hours MTBF --Viewing distance:>10 m --Viewing angle: 140 ± 10°（Horizontal),130 ± 10°（Vertical) --Enclosure material: galvanized steel with black powder coating --IP rating: IP55 --Temperature range: -20°C ~ + 80°C --Humidity: 10%~ 90% RH --Input voltage: 100-240V AC,50/60 Hz --Brightness control: adjustment automatically at 3 levels with light sensor --Communication method:built in 3G/4G modem --Over-current protection: built-in system with circuit breaker --Cooling system: cooling fan inside with monitoring temperature sensor --Certificate:CE/ROHS/FCC/CA65 --Warranty:2 years,or extended to 5 years per client's demand
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