This reptile heat lamp is made of solid ceramic element, durable materiel lasts for a long time use, Perfect for high humidity terrariumsComing With non-light emits intense muscle-penetrating infrared heat only, the tortoise heat bulb creates a more comfortable environment for all types of reptiles, amphibians, birds, hamstersThe flat-faced design the daylight basking bulb is more efficient and longer lasting than conical designs which build up excess heat internally, ultimately carbonizing the elementThis terrarium heat emitter is 220-240 volt, 50 watt, fits all standard E27 sockets , diameter of heating surface: 7.5cmOur brooder is widely use for keeping bird, reptile cage, chicken coop and vivarium warm