Made of solid ceramic element, durable material lasts for a long time, perfect for high humidity terrariums Non-light emits “penetrating” intense infrared heat only, creating an environment more comfortable for all types of reptiles, amphibians, birds, hamsters Flat-faced design is more efficient and lasts longer than conical designs which accumulate excess heat inside inside, which eventually chars the item Widely used to keep bird, reptile cage, chicken coop and vivarium warm