150 WATT A21 BLACKLIGHT PET LAMP OPERATES IN STANDARD HOUSEHOLD FIXTURES AND PET HABITATS - Bulborama pet light bulbs keep pets feeling healthy in their natural cozy habitat. Supra Life Blacklight Pet Lamps provide a mild source of heat for reptiles and last up to 4 times longer than standard lamps. With high UVB output, Blacklight pet light bulbs improve color and health of reptiles, last up to 10,000 hours, and simulate a nighttime moonlight environment.