JUSTPET Wireless Fence Dog Electric Pet Training Collar System, Waterproof Rechargeable Collar Receiver

1. Turn on the receiver: long press the ON/OFF button, the red indicator flashes three times, and the receiver turns on. Receiver power off: Press the ON/OFF button once, the red indicator is off, and the receiver is off. 2. When the power is lacking, the receiver will prompt with a warning tone and then shut down automatically. When charging, plug in with DC 5V power supply, and the red indicator flashes quickly. When fully charged, the red indicator flashes slowly. 3. The size of the receiver collar can be adjusted, and it is equipped with conductive posts of different lengths, which can be selected according to the size of the dog and the length of the hair. 4. The receiver is equipped with a test light, which can be used to replace the conductive posts or to test electric shocks. 5. A product can be used with multiple receivers at the same time.