The main function of the product: In the previous product upgrade, the tedious reset function has been avoided 1. Function: sound warning + vibration + sensitivity adjustment, charging + waterproof. 2. Press and hold for 0.5 seconds to turn on, long press to turn off, 7-speed sensitivity adjustment, 3 indicators are on at the same time, 7 speeds, 1-6 steps, etc. In order to choose the principle of the product vibration function, The dog barking sound is triggered for the first time. The warning sound is issued, the working light automatically lights up , the vibration is the weakest output, the dog will respond, and the product will automatically reset the start mode. If the dog does not respond, switch to the next function mode. When the dog barks for the second time, the warning sound is played. The indicator is on and the light automatically turns on, the vibration is emitted and the dog responds. The product automatically locks the second mode. If the dog does not respond, switch
