✔ This 100W black infrared heat lamp is made of solid ceramics element, it has a perfect heat radiation feature and no light emitted. Great for pet, lizard, coop, chicken, turtle, snake, chameleon, bearded dragon, aquarium, with one digital thermometer included ✔ This ceramic heat lamp is simple and easy to install, just screw it into a standard porcelain E27 screw socket (ATTENTION: Use only with a porcelain socket, because the plastic socket may melt the lamp holder) ✔ This heat lamp's input voltage is AC 90-120V, power is 100-Watts, full size is diameter 3.15 inch x height 4.13 inch ✔ This ceramic heat emitter bulb is 24hr heat source, with 100% efficiency, perfect for reptiles and amphibians. It could last 9000-15,000 hours, even longer. ✔ This bulb‘s surface temperature is very high when working, please do not use your hand to test the temperature. Do not touch the heat lamp immediately after turning off, please wait at least 1 hour to cool down. Also please adjust the distance between the heat lamp and the pets