1) Helps mimic the natural desert environment by providing the UVB needed for vitamin D production to optimize calcium metabolism and stimulate the reproductive behavior of reptiles and amphibians. 2) Large area luminous spiral tube, energy saving and durable 3) UVB bulb perfect for all kinds of tropical and subtropical reptiles, as well as succulents. 4) No harmful UV rays, easy to install our professional reptile UVB lamp with durable smart chip ensures constant current to better protect the circuit board, provides brilliant brightness while saving much energy, 2-3 hours daily use is enough, easy to install, just plug it inscrew into a standard E27 lamp holder. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store