50 WATT R20 NIGHTLITE RED 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 Nightlite Pet Lamps enable you to observe nocturnal pet behavior without interrupting their well being. Red Nightlite bulbs provide a subtle red source of light for reptiles, mammals, birds and amphibians while lasting up to 4 times longer than standard pet lamps and providing a safe and convenient 24 hour source of heat.