1. Material: ABS+nylon webbing2. Function: collar, dog training device, barking control device3. Power source: USB power supply/built-in battery power supply4. The product can be charged repeatedly5. 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 on6. The product has built-in large-capacity lithium battery, up to 60 days of long standby time7. The diameter of the neckband is 35 cm larger and 6 cm smaller; suitable for all dogs8. With waterproof function, please rest assured to use

http://olla.gr/rechargeable-waterproof-intelligent-identification-automatic-lock-bark-stop-bright-black/