All reptiles generally need to bask in sunshine every day, at least for a few hours. UV-A light for their metabolism, mood regulation as well as for breeding. UV-B light helps their bones and other organs. Promote vitamin D3 synthesis, fully absorb calcium.Our 50w reptile light bulbs provide extra warmth and bright light to mimic sunshine and produce UVA and UVB lights.The basking bulb is made of high-quality glass, durable wick avoid anti-aging and three-dimensional reflection, which is to strengthen the ultraviolet spectrum.Safe materials give you ease of use and peace of mind. And, they work with various lamp fixtures.Can be used anywhere, from projects in the office to car hobbies in the garage. Or use it with any animal cage, from snakes to fish, parrots to frogs. Item type: Heating BulbEco-friendly materialProvides UVB rays and heatPromotes growth and developmentApplication:The reptile heating bulb, for Reptile, Lizard, Water Turtles, Spiders, Frogs.Power: 50W NOTE: This product is for bulb only