product description:
1. The remote control distance is about 1000 meters
2. Built-in high-capacity rechargeable lithium battery (500 mA)
3. The receiver is waterproof (but not immersed in water)
4. Convenient, easy-to-read white backlit LCD display, with electric shock, vibration paging and calling functions
5. The size of the nylon rope collar can be adjusted in the range of 40-60cm
6. The 8-speed regulator can adjust the static and vibration of the receiver. You can adjust it according to your pet's personality and size

7. The dog collar has a digital automatic code matching memory function, which will not be interfered by similar products from neighbors