... Electronic Ballast Suitable for MH & HPS lamp Energy saving up to 20% Lifespan: 50,000 hours 110-240V, 35W, 50W, 70W MH/HPS Electronic Ballast, ... Suitable For MH & HPS Lamp, BallastKey specifications: Input voltage: 230VInput current: 0 ... x 74.93 x 32.00mmWorking temperature:-20-55°C (-4-122°F)Maximum allowable case temperature:90°C (194° ...