About us: REPTIZOO is a company focus on production of reptile supplies,already have more than ten years experience in producing reptile pet products.Our goal is to provide customers with high quality products and excellent service. Reptile animals need sun every day to supply calcium itself and help intestinal absorption.In the absence of sun conditions,UVB energy-saving lamps is a good choice! Feature Socket:E27 Screw Base Voltage:AC 110-120V Color:White Weight:114g Size:Dimension:60mm 140 mm(2.36 5.51 Inch) Package Includes: 1 x UVB 10.0 15W UVB Energy Saving Lamps Calcium Lamp (White) Caution: If properly installed and used regularly,the life of the UVB lamp is long enough.For most reptile species,3-5 hours of lighting per day is adequate,The distance between the lamp and the pet is 30-50 cm. REPTI-ZOO UVB lamp uses UVB powder and technology imported from Japan to produce high-quality beneficial ray emitting glass bulbs and spiral tubes. The wavelength is stable between 290nm-310nm. The excellent ventilation design is provided in the medium wave UVB sunburn spectrum. The UVB producing bulbs passed the rigorous American ELT certification and have been sold in the American market in 2015. Main functions of UVB lamp: Promotes the production of Vitamin D3 and promotes calcium absorption. Vitamin D3 is an important component of calcium metabolism in reptile pets. Vitamin D3 production and calcium absorption combine, resulting in healthy skeletal tissue. Generally, UVB 2.0, 5.0, 10.0 and 15.0 refer to the percentage of 2 , 5 , 10 and 15 UVB.AFTER-SALER SERVICE PROMISE - If you have any question about our product, please contact us, we will reply and help you in 24 hours. E27 STANDARD SOCKET - Voltage:120V, High UVB output, rated at 15W. Lamp cap specification: E26. IDEAL FOR VARIETY OF REPTILE PETS - Our UVB reptile bulb provides necessary UVB rays for optimal calcium metabolism and is ideal for tortoises, turtles, geckos, snakes (pythons,boas,etc.), iguanas, lizards, chameleons, frogs, toads more. IMPROVED CIRCUIT DESIGN - Durable-Intelligent chip ensures incoming steady current to better protect circuit board, can be used up to 3000 hours. ENERGY SAVING UVB BULB - The UVB reptile light save electricity-perfect condenser with brilliant brightness, save a lot of power.