iPower 400 Watt Digital Dimmable Electronic Ballast for HPS MH Grow Light
- Support Dual Voltage Input 120V/240V; Dimmable Options: 50%, 75%, 100%; (Free heavy-duty power cord included)
- Efficiency: High frequency output results in less power loss, 30% more lumens than magnetic ballasts for improved yields
- Automatically converts between HPS and MH light bulbs by micro-chip programming; Fast lamp ignition by lighting up the bulbs within 1-2 mins max; Stable voltage output ensure flicker free light
- Ultra-Safety: Protection against Short Circuit, Power Surge, Ignition Failure, Overheat, End-of Bulb-Life; Built-in cooling fan and graduating fin designed to minimize ballast temperature
- Quality Assurance: CE certified and UL listed; Warranty: 2 years