Check the listing for details. Ultrasonic Anti Dog Barking Trainer LED Light Gentle Chaser Petgentle Sonics. Condition: New. Listed at 8.65 USD. Description: 100% brand new and high quality Used to prevent dog attacks, issue ultrasound to repel the dog or wild wolf. In normal situation, it can be used as a normal flashlight to illuminate at night. Ultrasonic wave reaches up to 125 db. Audible to dogs but not to human. Effectively target animals up to 20 m away. Can also be used as dog training device. The first gear is a flashlight, the second gear is a Training dog, and the third gear is Drive the dog. (Please note:Don't use the third function for your beloved pet） Model: MT-651 Material: ABS Colour: Black Size: 13.5X5.5CM Description: 100% brand new and high quality Used to prevent dog attacks, issue ultrasound to repel the dog or wild wolf. In normal situation, it can be used as a normal flashlight to illuminate at night. Ultrasonic wave reaches up to 125 db. Audible to dogs but not to human. Effectively target animals up to 20 m away. Can also be used as dog training device. The first gear is a flashlight, the second gear is a Training dog, and the third gear is Drive the dog. (Please note:Don't use the third function for your beloved pet） Model: MT-651 Housing material: plastic Size: approx 13.5*5.7*3 cm Color: black Power: 1*9 V battery (Not included) Packing: single pack [English manual] Suitable users: joggers, walkers, bicyclists, delivery people, police. Package includes: 1x ultrasonic dog chaser 1x English user manual On Oct-22-19 at 23:33:33 PDT, seller added the following information: On May-23-20 at 01:21:08 PDT, seller added the following information: