... 20w,TUV,UL 2, Double-sided PC cover 3, lockable rotating end cap 4, Isolated driver high lumen led light 1, ... no mercury.3, Long lifespan: >50,000hrs4, High brightness, adopts high quality LED chip with about 24mA current.Very strict testing ... *48*26 cmVolume Weight18.5 kg34kg41kgProduct PictureOperating EnvironmentInstallation instruction Quality Warranty3 years Since the date of shipment. *Warranty ...