Ultrasonic design: Based on the theory that the ultrasound, the dog trainer can effectively train your dogs to obedience and stop unwanted behaviors such as barking, digging, chewing and much more. They are also safe for humans and pets.
EASY TO USE: Open the battery door first and then insert a 9V battery (not included) The sound is audible to pets only. Finally, turn on the switch and it can work well. They can also be used as a flashlight if required.
Handheld and comfortable: The size of the device is approx. 12.5 x 4.5 x 2.6 cm (LWH), portable and portable, also convenient to carry anywhere you want, e. g. For example, when jogging or walking, cycling, parking, etc.
MULTI FUNCTIONS: Besides as a pet training device, it can also protect you from dog attacks, suitable for training many types of dogs, such as Such as pets, dogs in police and shepherds, suitable for outdoor work, travel and safety night patrol.
Package Include: 1pc Ultrasonic Dog Trainer and 1pc User Manual;Dog Trainer;Note:Dog Defense is suitable for most dogs, but sometimes not for these giant dogs.

Ultrasonic design: Based on the theory that the ultrasound, the dog trainer can effectively train your dogs to obedience and stop unwanted behaviors such as barking, digging, chewing and much more. They are also safe for humans and pets.
EASY TO USE: Open the battery door first and then insert a 9V battery (not included) The sound is audible to pets only. Finally, turn on the switch and it can work well. They can also be used as a flashlight if required.
Handheld and comfortable: The size of the device is approx. 12.5 x 4.5 x 2.6 cm (LWH), portable and portable, also convenient to carry anywhere you want, e. g. For example, when jogging or walking, cycling, parking, etc.
MULTI FUNCTIONS: Besides as a pet training device, it can also protect you from dog attacks, suitable for training many types of dogs, such as Such as pets, dogs in police and shepherds, suitable for outdoor work, travel and safety night patrol.
Package Include: 1pc Ultrasonic Dog Trainer and 1pc User Manual;Dog Trainer;Note:Dog Defense is suitable for most dogs, but sometimes not for these giant dogs.

YONII LED Ultrasonic Dog Repeller and Trainer Device 3 in 1 Anti Barking Stop Bark Handheld Dog Training Device, Yellow C R3721