Uses ultrasonic sound to deter nuisance barking

Detects barks up to 50 feet with the use of an internal microphone

4 levels of operation, including a test mode, low, medium and high mode

Two color LED for good and low battery indication

A hole in top point, easy hanging or mounting on a tree

Powered by one 9V battery (not included)

Safe and humane method of bark control for most dogs

Size: 16.5 x 15.5cm