Frienda 3 in 1 LED Ultrasonic Dog Barking Device Stop Bark Trainer

• ULTRASOUND DESIGN: based on the theory that ultrasound, the dog trainer can effectively train your dogs to be obedient and stop some unwanted behaviors, such as barking, digging, chewing and more.
• EASY TO OPERATE: first open the battery cover and then put 1 piece 9V battery (not included), the sound is audible only to pets, finally turn on the switch and it can work well, also they can serve as a flashlight when necessary.Note: The effective range of this product is 23 feet
• HANDHELD AND CONVENIENT: size of the device is approx. 12.5 x 4.5 x 2.9 cm (LWH), which is portable and handheld, also convenient for you to carry anywhere you need, such as jogging or walking, cycling, park and so on
• MULTI-FUNCTIONS: except as a pet training tool, it also can protect you from dog attacks, fit for training many kinds of dogs, such as pets, dogs in police and shepherding, suitable for outdoor work, travel and night patrol.Note: May not be effective for large dogs and fierce dogs
• PACKAGE INCLUDES: 1 piece ultrasonic dog trainer and 4 piece user manual; Note: can work on most dogs, but sometimes it won't on those giant dogs

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