Ballast Height H (in): 1.8
Ballast Length L (in): 5.51
Ballast Width W (in): 1.74
Bulb: 39W Metal Halide
Case Style: SL with feet, Side Leads
Current Crest Factor: < 1.3
Frequency: 50/60Hz
Industry Standards: UL
Maximum Case Temperature: 80 C
Power Factor: Greater than 0.99
Sound Rating: A
Starting Method: Resonant Start
Starting Temperature F (C): -30 C
Total Harmonic Distortion (THD): < 10 percent
Voltage: 108-305
Weight: 9.5 oz.