Uses ultrasonic technology to stop barks
Sensitive microphone isolates and picks up barking up to 50 feet away to stop barking both outdoors.
Four adjustable ultrasonic volume levelsâ€¯- test, low, medium, and high, with LED battery power level indicator
Safe and humane method of bark control, suitable for all breeds and sizes of dogs
Pre-assembled, easy set-up, requires low maintenance, and weatherproof (but avoid exposing to very cold or very hot temperatures from 0Â°C~45Â°C, 32Â°F~113Â°F). Attractive and discreet birdhouse design looks great in your home or yard