Features: Wide application: For reptiles and amphibians, including lizards, bearded dragons, snakes, frogs, iguanas, tortoises, and chuckwalla. Warm your pets: It can warm your reptiles\' body in cold winter. Turtles need to depend on the environment to regulate their body temperature. So for those reptile owners, it\'s a must-have for their lovely pets to stay safe in cold weather. Promoting physical development: Simulating sunlight, this bulb can help your pets synthesize Vitamin D3 to boost absorption of calcium, which is important for bone and shell development. Besides, it can also stimulate appetite, improve mobility and promote breeding. Killing harmful microorganisms: Regular basking can help kill harmful microorganisms in order to reduce the risk of infectious skin disease and respiratory disease. Appropriate basking time: Do not expose your pets to the light for too long time. Their skin may get hurt. Any problems, feel free to contact us.