Lentek PC06 Bark Free Ultrasonic Dog Barking Deterrent

Use in kennels or multiple dog homes for persistent barking problems Up to 25 ft. radius of coverage area Weather-resistant vinyl protective raincoat for added outdoor protection Two tone settings: ultrasonic (only dogs can hear it) and audible (humans can hear it) Twin piezo-ceramic transducers Audible Test button Wall-mount bracket for indoor and outdoor use Includes 50 ft. power extension cord