Extremely high frequency, works perfectly with standard lamps and Double-Ended lamps
Has "soft start" program to allow multiple ballasts to start at the same time
Runs on 120 to 240 volt power, 50 hertz or 60 hertz
Works with both metal halide (MH) and high pressure sodium (HPS) lamps
External breaker system protects against power surges
Comes with an 8 ft power cord
Key electronic ..