... )led quantity:256pcs3)size:600*600mm4)life span:50.000h5)voltage:AC185--264V6)LM:2400lm size:- 600*600mm,-1200*200mm,-1200*300mm,-1200 ... design,Aluminum Alloy body and PMMA cover.-Combine SMD LED light source with light fixtures,mount directly.-No flickering ... &RF interfernce,instant soft start,low heat.-Mounting Method:ceiling mounting. sizeround or squareweight4.5 (different size different ...