Professional 1000 watt high frequency electronic ballast. Including high efficiency Miro aluminum horticultural HortiStar HR96 reflector (95% efficiency). Includes 1000 watt double-ended EL lamp. Microprocessor controlled with electronic safety circuit. Very low heat dissipation and very low weight. Only suitable for use with 1000 watt double-ended EL lamps. No acoustic resonance, more than 10% grow light compared to traditional lamps and light maintenance after 5000 hrs >95%. Electronics by Gavita. Driver efficiency >95%. Sealed housing with Gore-Tex ventilation plug. Reflector is easily replaceable. These are packaged bulk for commercial applications and sold in increments of 70 (1/2 pallet). 1 year warranty on the lamp. Customer must select cord and mounting options.