Black Ultrasonic Anti-Barking Device for Medium and Large Dogs, 3 Frequencies, IP45 Waterproof, Indoor and Outdoor Use

Range: Effective ultrasonic deterrent with a range of up to 10 meters for medium and large dogs

Frequency settings: 3 different ultrasonic frequencies to suit different dogs

Versatile use: Suitable for use in the garden, on the patio, or indoors to control unwanted barking

Easy to use: Easy installation and operation with automatic activation when a dog barks