TCP 46345 Probe Start Metal Halide ED37-400 Watt (38,000 Lumens) Bright White (3700K) Mogul Base (E39) Base UP Position HID Lamp - Phosphor Coated ANSI Ballast Code: M59/E Lumens: 38,000 | Lifetime: 20,000 hours Bulb Type: ED37 | Base Type: MOGUL E39 Warm Up Time: 3-5 minutes | Restrike Time: 7-12 minutes Operating Position: Base UP +/- 15 degrees | Enclosed Luminaire Only