About this item Encourages Reptile natural behaviors: UVA UVB reptile bulb preferred for tropical and subtropical reptiles. UVB bulb helps provide visualizations for reptiles and encourages their natural behaviors such as chameleon, turtles and lizards The UVB Bulb For Reptiles: UVB light promotes vitamin Dsynthesis which is required for many reptiles to metabolize essential calcium Safe:Special glass tube made by machine, stable UVB output and fading rate of UVB is low Nice for a wide variety of reptiles: E27 socket(standard US size),can be used directly. It’s not a heat lamp. It’s to provide a substitute for sun when you have an indoor pet who needs the rays Quality Service: We promise a 30-day quality guarantee See more product details