70W Electronic Ballast Suitable for MH & HPS lamp Energy saving up ... 50,000 hours 110-240V, 35W, 50W, 70W MH/HPS Electronic Ballast,Suitable For MH & HPS Lamp, BallastKey specifications: Input voltage ... 00mmWorking temperature:-20-55°C (-4-122°F)Maximum allowable case temperature:90°C (194°F)Special features: Operates both HPS ... with UL, CUL, TUV/CE, and RoHS standards 70W Electronic Ballast