Keep Healthy Reptiles and amphibians require UVB rays, as they can metabolize calcium, promote bone growth, increase appetite and kill bacteria, which is essential for bone growth and prevention of metabolic diseases. Simulate Sunlight This reptile lamp contains 97% UVA to stimulate appetite and 3% UVB to promote vitamin D3 synthesis, completely absorb calcium and 3.0 UVB could provide adequate UVB radiation. 2 Lamps Included The included turtle heat lamp can be used with multiple E27 lamps, such as fluorescent, incandescent, ceramic, UV lamps , halogen, LED, etc. With 1 bulb of 50W. Support bulbs up to 75 watts. 360 Rotating Clip and Easy Installation The 360 rotating clip is easy to install on the side of your fish tank or fish tank. Wide Usage used for a wide variety of reptiles and amphibians including turtles, lizards, bearded dragons, snakes, frogs, iguanas, turtles, chuckwallas, etc. For any request, do not hesitate to contact us.