Устройство для дрессировки собак сменная батарея двора

1. This item support by high quality rechargeable battery. 

2. It with voice sensor, the sense distance is 5-15M.

3. 5 Gears: OFF/TEST/1/2/3, detail follow the user manual.

4. The speaker sense the bark, and then emit sepcial ultrasonic to stop bark.

5. Hang: no higher than 1.5M from ground, on tree/wall/fence.