... 36W,60*60cm,IP41 2.Voltage:AC85-265V 3.Pure aluminium,Glass cover 4.Warranty:3years ... start,no flickering, no humming5.New high efficiency constant current driver6.Special circuit design,each group of Leds ... shown,please DO not install or use it.3.Any maintenance should be performed by trained ... Your mails will be replied asap during 24hours.3.Lead time:10-15workdays after received your payment ...