Zoo Med now has a halogen heat lamp in nano size. Halogen technology increases burn life. Crisp bright white light will make animals colors appear richer. These lamps are a heat source. They generate UVA not UVB. Provides beneficial UVA rays which promotes breeding and feeding and are beneficial to your reptile well being. Ideal for small geckos, hatchling reptiles, amphibians or invertebrates such as arachnids or tarantulas. Designed for use in Zoo Med nano dome fixtures: LF-35 and LF-36. Size approx.: 2in height. 35watt lamp.