The Exo Terra Ceramic Reptile Infrared Lamp Heater - 110V offers a radiant heat emitter that produces sun-like infrared heat without emitting any light. It offers 100% heat efficiency to warm reptiles day and night without disturbing their photoperiod. The solid ceramic element screws into a standard ceramic-socket fixture and provides deep-penetrating infrared-A heat that increases ambient temperature and supports healthy basking, digestion, and healing. This series ranged from 40 to 150 Watts. Available in Multiple Wattage options