Nest 9 Anti Barking Device, Ultrasonic Dog Barking Deterrent, Rechargeable Dog Trainer Effective Control Range of 16.4 Ft (Black)

Description

Effective Bark Control Device: The ultrasonic bark control device can train your dogs to stop unwanted behaviors Adjustable Frequency Design: It emits safe ultrasonic sound with general mode 25KHZ and conversion mode 25KHZ~30KHZ Convenient to Use: It just fits perfectly in your hand and comfortably into your pocket