The ZappBug Oven 2 Kills 100% of bed bugs in all life stages, including eggs, nymphs and adults. Completely non-toxic and safe: No pesticides, no chemicals, just heat. Extremely easy one person set-up. Folds flat for easy storage. Large size. Measures 39 x 39 x 27" over 22 cubic feet You will require two separate circuits to run this unit, one for each 1500 Watt heater. 25' extension cord included with unit to allow for easy access to second circuit.