The 100W reptile heat emitter is made of thick special ceramic material, and the heat light bulb shell is stronger and more durable than ordinary heating lamps. Our reptile light bulbs last up to 10,000 hours. Use in standard E26 lamp base, 120 volts, and easy to install. The reptile heat lamp bulb is ETL approved. The bulb does not emit any visually detectable light that can disturb the sleep cycle of your pets. Our lamps are made of ceramic, and other materials and the ceramic heat emitter is a radiant heat source that creates a natural sunlike heat, perfect for reptiles and amphibians. It can be used with temp controller, dome, clamp lamp, socket,uvb reptile light, etc.