Long lifespan: the ceramic heat emitter for use in standard E26 lamp base and easy to install, up to 10,000 hours. No light emitted: the bulb does not emit any visually detectable light that may disrupt your pets' sleep cycle Specification: Voltage: AC 110-120V; Power: 150W; Material: ceramic, metal, NiCrAl; To avoid burns, please wait at least 1 hour to cool down after turning off the bulb. Perfect 24-hour heat sources: ideal for reptile and amphibian terrariums, chicken heaters in incubation. Note: The surface temperature of the ceramic lamp is generally high, please keep a proper distance from flammable materials and pets, so as not to cause serious consequences. The ceramic heat lamp is fired with high temperature glaze, so there will be tiny cracks on the surface, which will not affect the use, please buy and use with confidence. (It is recommended to use it with an anti-scald net to avoid burns)