... ,3 years' warranty UL approved Grounded timer Heavy-duty hangers digital hydroponic light kitAir cooled hood reflector, 95% reflectivity, ALMECO ... aluminumUL,FCC approved digital ballast, 3 years' warrantyUL approved Grounded timerHeavy-duty controlable hangersHigh ... out-put MH/HPS bulbsForm inside protected -well carton DIGITAL HYDROPONIC LIGHT KIT