1. Material: ABS+nylon webbing 2. Function: collar, dog training device, barking control device 3. Power source: USB power supply/built-in battery power supply 4. The product can be charged repeatedly 5. Lightly press for 0.5 seconds to turn on, long press to turn off, 7 levels of sensitivity adjustment, 3 indicator lights at the same time, it is 7 levels, 1 to 6 levels and so on 6. The product has built-in large-capacity lithium battery, up to 60 days of long standby time 7. The diameter of the neckband is 35 cm larger and 6 cm smaller; suitable for all dogs 8. With waterproof function, please rest assured to use
