About this item Encourages Reptile natural behaviors: Mclanzoo 5.0 UVB reptile bulb preferred for tropical and subtropical reptiles. UVB light helps provide visualizations for reptiles and encourages their natural behaviors such as chameleon, turtles and lizards The UVB Bulb For Reptiles: 10% UVB and 30% UVA output, 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 Perfect for a wide variety of reptiles: E26 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. If the product has not been used for over 30 days, please contact me by email and we will replace it for you free of charge See more product details