... digital control circuit,stable performance When input power voltage fluctuating,it can ensure a constant output power Controllable and fast pulse-start ... , dustproof, and shockproof Multiple dimmable optionsTechnical index: Matched lamp power: 20/35/50/70W CMH, metal halide lamp, and HP ... sodium lamp Rated input voltage: 12/24V Output power: 12V/20W, 24V/20W/35W/50W/70W ...