Philips 14477-4 - 25 Watt - PAR38 Spot - MasterColor Integrated - Metal Halide - 3000K - Self-Ballasted - CDM-I 25/PAR38/SP/3K HID Bulbs produce high output for their size making them a compact powerful &amp; efficient light source HID Bulbs are used for general lighting, professional lighting fixtures, growing applications HID bulbs put out around 3-5 times greater output (lumens per watt) than traditional halogen bulbs Philips PAR38 bulb, 25W, Spot SP Base: E26 Medium Screw, Rated Life (hours): 15000, Color Temp: 3000K, Luminous Flux (LM): 1450