Comet Hood DE Reflector + Ballast Best Professional 1000 watt high frequency electronic ballast. Open reflector designed for larger canopies whilst still providing very good penetration to the cover. Including high efficiency German aluminum horticultural reflector (96% efficiency). Compatible with any “Double Ended” bulbs. Microprocessor controlled with electronic safety circuit. Very low heat dissipation and really low weight. Best suitable to be used with double ended EL lamps: No acoustic resonance, more than 10% grow light in comparison to traditional lamps and lightweight maintenance after 5000 hours >95%. Motive force efficiency >95% and is adjustable to: six hundred/750/1000/1150W. Sealed housing. Reflector easily replaceable. Operates at 240 Volts.