Ballast Type: Core and Coil
Bulb: 420W Metal Halide
Bulb Wattage: 420
Circuit Type: REGULATED LAG
Frequency: 60 Hz
Included Capacitor: MD2409-000
Included Ignitor: LI534-H5
Industry Standards: UL Recognized, CSA
Input Wattage (W): 500
Length: 5.75
Power Factor: 90
Starting Temperature F (C): -20F
Voltage: 480
Weight: 27.5
Width: 3.9