DynaTrap attracts biting insects three ways; with CO2, UV light and heat. Once pests reach the trap, a fan draws them into a sealed collection chamber. Just hang the DynaTrap in a protected area, plug it in, and empty the collection chamber when it???s full. Enjoy summer evenings outdoors again! Easy, quiet, effective and low maintenance No propane tanks or attractants to refill No irritating zapping noises Inexpensive to operate Just twist chamber to open and empty Protects up to 1/2 acre Place in porch or covered area only Do not expose to precipitation Plugs into standard exterior polarized electrical outlet Use extension cord rated for exterior appliances only Plastic and metal 9" diameter x 11" H Weighs 4 lbs.