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400W Digital Dimmable Electronic Ballast for Hydroponic HPS MH Grow Light System:
$103.49

About this item

• Support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w/250w/400w/Super lumens (110%)
• 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 ensures flicker free light
• Ultra-safety: Protection against short circuit, Power surge, ignition failure, end-of bulb-life; Built-in cooling fan and graduating fin designed to minimize ballast temperature
• Package included: 1-pack 400 watt digital dimmable electronic ballast included