Description:If you have any question please feel free to contact us before leaving feedback or opening a case, it& 39;s our pleasure to help you solve the problem.Features:Color:As the pictureMaterial:ABSItem Type:Dog RepellentStyle:GentleSize:13.7*5.5*2.5cmApplication:DogsDescription:1. This product adopts double channel enhanced, double dog training, excitation drive dogs, litingfunction is one of the super ultrasonic.2. Drive dog unit, the appearance design is exquisite, easy to carry, especially suitable for outdoorwork, outdoor travel and security night patrol, and all kinds of dog training use.3. Used to prevent dog attacks, issue ultrasound to repel the dog or wild wolf.4. In normal situation, it can be used as a normal flashlight to illuminate at night.5. Ultrasonic wave reaches up to 125db. Audible to dogs but not to human.Size:13.7*5.5*2.5cmPackage include:1*Dog Repellent (Without battery, please prepare one 9v square battery)