Powersun MH/HPS Digital Ballasts - 400w and 600w

• Works with both Metal Halide (MH) and High Pressure Sodium (HPS)
• Runs 15% cooler
• ''Soft start'' program to allow multiple ballasts to start at the same time
• 120/240V - 50 Hz to 60 Hz
• External breaker system protects against power surges
• Comes with an 8 ft power cord

* 6 month warranty
** Socket non included