... voltage fluctuating,it can ensure a constant output power Controllable and fast pulse-start circuit Improve color rendering, light color, ... luminous efficacy, reduce lumens depreciation Has stable and reliable features when lamp operating, short start-up time Built ... CMH, metal halide lamp, and HP sodium lamp Rated input voltage: 12/24V Output power: 12V/20W, 24V/20W/35W/50W/70W Maximum ...