Ultrasonic Pest Repeller Plug Ins, Mice Bugs, Humane, Pet Safe, Bundle of 6

6 Total Electromagnetic & Ultrasonic Pest Repellers. 4 are new in sealed box! The other 2 were used, but only for a very short time. They do seem to work! Standard wall plug-in. Humanely repels mosquitos, cockroaches, mice, ants & more. Eco-friendly. Pet safe. Indoor use only. 1250 square ft. per device. From non-smoking home, with cats :)