Product Description Rated voltage: 12 (V) Material: ABS Rated frequency: 12V/25MA(HZ) Battery: 9V battery (included) Color: Black Size: 10*4.2*3.7cm Package Contents: 1*Handheld Ultrasonic Dog Repeller 1. Harmless and efficient barking control device Our dog ultrasonic trainer provides a safer and more efficient solution with a powerful flashing light to help users control unwanted barking and bad behaviors such as digging , eating unsafe food, fighting other dogs, the device's ultrasonic waves can even penetrate fences to keep the neighbor's dog from barking. 2. Safe for humans and dogs Compared with other training tools, our equipment adopts the latest ultrasonic technology with a frequency of 25KHZ, so it is gentle for pets and safe for humans, and the maximum audible limit for humans is 20KHZ. So it doesn't affect humans, but it's easy to get a dog's attention and prevent bad behavior. Training takes a certain amount of time, and patient use can get good training results. 3. Unique ergonomic design We are committed to creating high-quality products, the streamlined design makes it more comfortable to hold, easy to carry and the switch is durable. Power consumption is optimized to allow you to use it longer and is suitable for most dog breeds. 4.POWERFUL LED FLASHLIGHT This device additionally provides a powerful flashlight. It has a separate button that can be used at the same time as the ultrasonic button. The powerful light function allows you to see your surroundings more clearly when walking around with your dog at night. Flashing lights can make the device more training effect. 5. Suitable for all environments This barking training device can be used in any occasion. For people who are away from home, the device can also be used for dog training, controlling dogs to behave well in public, avoiding eating unsafe food by mistake and barking at others.