Product Features: 1: dog training and barking prevention dual function, one-key switching of dog training and barking prevention function (3 seconds), convenient operation 2: 1000 meters remote control distance, low price, high cost performance 3: The receiver is small (45g), the product has electric shock, buzzer, vibration, flashlight, automatic barking off mode 4: One to three mode: the remote control can control three receivers at the same time to train three dogs, the product is equipped with one receiver, if you need more, please contact customer service. 5: 100-speed adjuster, can adjust the size of the receiver static and vibration 6: IPX6 waterproof grade, large capacity lithium battery, receiver: 650mAh, transmitter: 300mAh. Pairing method: 1: Short press the receiver to power on, long press the power button for 3S, and the red light flashes. 2: Within the effective range, press any key of the transmitter sound, vibration or electric shock to match the code, and the pairing
