TCP 46232 Pulse Plus Start Metal Halide ED37 - 320 Watt (33,000 Lumens) Cool White (4000K) Mogul Base (E39) Vertical Position Clear HID Lamp ANSI Ballast Code: M154/E | M132/E Lumens: 33,000 | Lifetime: 20,000 hours Bulb Type: ED37 | Base Type: MOGUL E39 Warm Up Time: 2-3 minutes | Restrike Time: 4-6 minutes Operating Position: Vertical +/- 15 degrees | Enclosed Luminaire Only