Uses ultrasonic sound to deter unwanted barking

2 Ultrasonic sound Speakers with bigger sound

Detects the sound of barking up to 15 meters

4 levels of operation including test mode, 3 range levels, On/Off switch

Durable and weatherproof for outdoor use.

LED power indication

Unit size: L*W*H= 98.5*65*115.5MM

Powered by 9-Volt battery