Rated voltage: 12 (V) Material: ABS Rated frequency: 12V/25MA (HZ) Battery: 9V battery (included) Colour: BlackSize: 104.23.7cm Package content: 1*Handheld ultrasonic dog repeller 1.HARMLESS & EFFICIENT BARK CONTROL DEVICE Our dog ultrasonic trainer provides a safer and more efficient solution with a powerful flash to help users control unwanted barking and bad behaviors such as digging, eating unsafe food, fighting with other dogs, The device’s ultrasonic even penetrate fence to prevent neighbor’s dog from barking. 2.SAFE FOR PEOPLE & DOGSCompared to other training tools, our device uses the latest ultrasonic technology, with a frequency of 25KHZ, So It makes the pet gentle and human safe to use, The maximum audible limit of humans is 20KHZ. So it won’t affect humans but can easily attract the dog ’s attention and prevent bad behavior. Training takes some time, you can get good training results by using it patiently. 3.UNIQUE ERGONOMIC DESIGNWe are committed to creating superior