Komodo Ceramic Heat Emitter Black 150W Ceramic heaters provide excellent levels of heat but emit no light. Ceramic heaters are longer lasting than conventional basking bulbs. Heat guards should be used when positioned inside a habitat. The Ceramic Heat Emitter provides an efficient radiant heat source which creates a natural sun-like heat without visible light. Suitable for 24 hour use, they are ideal for constant radiant heat to simulate desert or tropical environments and help to increase the ambient air temperature to warm the skin, scales & bodies of reptiles. This product must always be used in conjunction with a thermostat such as the Komodo Thermostat Pulse.