Safe & easy to use 7w heat lamp No poisons Mains operated Mimics warm-blooded animals. Suitable for continuous use. Contains 3x sticky pad Sticky pad can be changed every 2-4 weeks Zero In Flea Killer for the Home | Poison Free Zero In Flea Killer Trap attracts fleas from carpets and bedding using gentle heat to mimicking animals such as dogs and cats. Its safe to use the home and easy to set up. The sticky pad can be changed every 2-4 weeks This flea killer helps you to eliminate your flea infestation by using a 7 Watt heat lamp to appear to fleas as a warm blooded animal. They will then get stuck to the poison-free adhesive disc and die. The lamp is safe enough to use continuously until there are no more fleas, and is rated to 1,000 hours before needing replacement.