No light emitted: Our ceramic reptile heat bulb only generates heat during use, and does not emit light.So they don't not emit any visually detectable light that can disturb the sleep cycle of your pets
Specification: Voltage: This reptile heat bulb's input voltage is AC 110-120V; Power is 100-Watts; Material is eramic, metal and NiCrAl; Full size is diameter 3.15 inch x height 4.13 inch
Thermal efficiency can be up to 99%:This 100W black infrared ceramic heat lamp is made of solid ceramics element, it has a perfect heat radiation feature and no light emitted. They are the perfect 24 hour heat source for reptiles and amphibians. It could last 9000-15,000 hours, even longer
Easy to install: This ceramic reptile heat lamp is simple and easy to install, just screw it into a standard porcelain E27 screw socket (ATTENTION: Use only with a standard porcelain E27 screw socket, because the plastic socket may melt the lamp holder)
Note:This ceramic heat emitter's surface temperature is very high when working, please do not use your hand to test the temperature, To avoid scald, please wait at least 1 hour to cool down after turning off the bulb.Also please adjust the distance between the heat lamp and the pets.