["brand new and high quality\r\nThis product adopts double channel enhanced, double dog training, excitation drive dogs, liting function is one of the super ultrasonic drive dog unit, the appearance design is exquisite, easy to carry, especially suitable for outdoor work, outdoor travel and security night patrol. Only for small dogs.\r\nUsed to prevent dog attacks, issue ultrasound to repel the dog or wild wolf.\r\nIn normal situation, it can be used as a normal flashlight to illuminate at night.\r\nUltrasonic wave reaches up to 125db. Audible to dogs but not to human.\r\nEffectively target animals up to 20m away.\r\nCan also be used as dog training device.\r\nModel: MT-651E\r\nHousing material: plastic\r\nColor: black\r\nSize: 14cmx6cm (HxW)\r\nPower: 1*9V battery (not included)\r\nQuantity: 1Pc\r\nSuitable users: joggers, walkers, bicyclists, delivery people, for police. As different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding. Please allow 1-2cm measure error due to manual measure. 　\r\nNote: Only for small dogs, the ultrasound is not guaranteed to be effective in all dog breeds."]