WIDE APPLICATION- Perfect for training various dogs, such as Collie, Border Collie, shepherd dog, etc.
PROTECT YOURSELF - The Dog Repellent emits a high-pitched ultrasonic sound that's inaudible to the human ear but highly irritating to dogs. Effectively stops barking and threatening dogs from up to 50 feet away.
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.
MULTI-FUNCTIONS: except as a pet training tool, it also can prevent you from dog attacks, suitable for outdoor work, travel and security night patrol.
PACKKAGE INCLUDES: 1 piece ultrasonic dog trainer and 1 piece user manual; dog trainer color: yellow.