Fast Heating and High Efficiency - Longer Life: Heat lamps usually increase heat within 30 seconds and if you need to maintain a constant temperature, you need to use it with a temperature controller (not included); provides continuous heating for 20,000 hours. If you need to maintain a constant temperature, use it with a temperature controller. It is easy to control the heat lamp with a switch. Improve the health of pets: heat bulbs can improve the blood circulation of various pets; activate the molecular activity of pets; improve pets metabolism, improve pets immune function, and provide pets with a suitable temperature environment. The ceramic heater has a good heating effect and does not affect other normal animals. Safety protection grid: Our heating lamps are equipped with black and white painted metal fences, which can prevent animals get burned and electrocuted by approaching them, and avoid injury from animals accidentally touching the bulb. the light has an anti-bite spring to prevent animals from chewing the cord and receiving an electric shock. For pets: all kinds of reptiles, turtles, snakes, lizards, frogs, chicks and other pets .The Great Heat bulb improves blood circulation for a variety of pets; to activate the molecular activity of the animal; Improve pets metabolism, improve pets immune function to provide the pet with a suitable temperature environment. If you have any questions about this product, please feel free to come to consult, if you are not satisfied with this product after purchase, we will try our best to solve it for you.