300*300mm 225 LEDs 18W UV&IR Free LED Ceiling Panel,Flat LED Light Board,LED Backlight ... CE,RoHS Item Name: 300*300mm 225 LEDs 18W UV&IR Free LED Ceiling Panel,Flat LED Light Board,LED Backlight ... : -40°C ~ +50°C7> Beam Angle: 120°8> UV or IR free9> 100% No flicker and blind10> Lifespan: 50,000 Hours11 ...