Ultrasonic Dog Trainer Device Portable Effective Dog Repeller for Barking Digging Chewing

Ultrasonic Design: Based on ultrasonic design, the device can effectively make your dog stop behaviors such as barking, burrowing, chewing, etc. Multifunction Use: The dog behavior control device serves as a flashlight when necessary. Note: The effective range is about 7m Celsius 23ft. Easy to Operate: Open the battery cover and put 9V battery (not included), turn on the to work well. Item Type: Ultrasonic Dog Trainer Device Material: Plastic Length: Approx. 12.5cm Celsius 4.9in Width: Approx. 4.5cm Celsius 1.8in Height: Approx. 2.9cm Celsius 1.1in Weight: Approx. 53g Celsius 1.9oz Battery: 9V Battery (not included)