Outdoor Power Supply, Emergency Power Supply, LED Emergency Driver manufacturer / supplier in China, offering 150W UFO LED Light with Emergency Driver IP65 for Mining/Tunnel/Industrial Lighting, Df T8 LED Tube Light with 168h Emergency Backup, Battery Backup Power Supply, for Office/School/Hospital Emergency Lighting", Df 200W-300W LED High Bay Light IP65 Waterproof Aluminum Housing with Emergency Backup Power for Warehouse/Factory/Outdoor Lighting and so on.