iPower GLBLST1000DX4 4-Pack Horticulture 1000 Watt Digital Dimmabl...

iPower GLBLST1000DX4 4-Pack Horticulture 1000 Watt Digital Dimmable Electronic Ballast for Hydroponic HPS MH Grow Light, 4 Pack, Black

• Support dual voltage input 120V/240V; dimmable options: 50%, 75%, 100%; (8 feet heavy-duty power cord included)
• 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 minutes max; Stable voltage output ensures 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
• Package included: 4-pack 1000 watt digital dimmable electronic ballast included