UVB 10.0 Reptile Light 26W, Compact Coil Desert Bulb for Bearded Dragons, Lizards, Snakes, Geckos, Amphibians, UVA UVB Lamp for Pet Terrarium & Reptile Habitat Tank. Powerful UVB Lighting – This bulb is specifically designed for large desert reptiles, such as bearded dragons & tortoises, providing strong UVB output to encourage sunbathing and natural behaviors, support the reptile’s circadian rhythm, aid in the absorption of essential calcium, and help maintain health and activity.