PetSafe® Deluxe Outdoor Bark Control

Outdoor Bark Control – Disguised as a birdhouse, the unit emits an ultrasonic tone when your dog barks that can be annoying to your dog but is silent to most humansSmall Outdoor Spaces – Each weatherproof unit covers just over 1,000 square metres; add more units to cover a larger space; hang them in a tree or place on a solid surface outsideGentle Bark Control – The high-frequency tone (which humans can’t hear) works on dogs of all sizes from 6 monthsBuilt-in digital alarm – The timer works like an alarm clock, turning the unit on and off at specific times to stop your puppy from becoming desensitised to the ultrasonic tone