feature -Ultrasound function, ultrasound will stimulate the dog and startle the dog, thereby interrupting barking and stopping aggressive behavior -The combination of continuous flashing lights and powerful ultrasound can effectively deter dogs. -Hand strap design, flexible and practical hand strap design makes the product more portable -Anti-slip design, the anti-slip design of the product makes it easier to grasp and will not fall -ABS plastic, strong and durable, not easy to break, with good anti-corrosion effect specification Size: 10cm*4.2cm"3.7cm Color: white + black Weight: 150g Battery voltage: 9V battery Sound wave range: within 15 meters Product List 1*dog drive