... 4.3 years warranty Product Name: A energy saving electronic ballast 150W hpsAdvantages: 1.Smart and lighter design , easy to ... waterproof performance, maintenance-free 3.Soft start, constant wattage output Ballast noise rated class A 4.CE, FCC, UL, CUL, ... % , Elimination of lamp flicker9. Maximum lighting distance: 18mProduct Size: Ballast TypeProduct Size (mm)Product Net Weight (kgs)150W155*132*771 ...