1. Input voltage: DC-5V
2. Battery capacity: 300mAh
3. Current: 3.7V

Instructions for use:
1. Switch on and off: Press and hold the 2 button in the power-on state, and the indicator will light up at the same time. After about 2 seconds, it will shut down with a beep. In the shutdown state, press the 2 button and the machine will be turned on and enter the standby state at the same time.
2. Adjust the sensitivity: lightly press the 2 button in the power-on state to adjust the sensitivity,
Click on a beep for 1 level, (the lowest sensitivity)
Click 2 beeps for 2 levels,
Click the beep 3 to 3 levels,
Click the 4 beeps for 4 levels,
Press once to make a long beep for 5 levels, (the highest sensitivity).
3. Indicator light: After power on, it enters standby mode. The blue indicator light flashes every 2 seconds, and then stops flashing after 30 seconds. If triggered by a dog barking, it will flash for another 30 seconds. If the battery is too low, the indicator light will change from blue Flashes in red.
4. Charging: If the green indicator light turns to flashing red, it means that the battery is low and needs to be charged. The red indicator light will keep flashing when the charger is plugged in. After fully charged, the red indicator light will turn blue, indicating that the charging has been completed until it is unplugged. Out of the charger.
5. Trigger work: wear the collar of the bark control device around the dog’s neck, the barking sound will trigger the work of the bark control device.
When the dog barking triggers the first collar to make a sound for 2 seconds, no electric shock is output.
Trigger the second collar to make a sound for 2 seconds, an electric shock for 1.2 seconds, and an intensity of percent 20
Trigger the third collar to make a sound for 2 seconds, an electric shock for 1.8 seconds, and an intensity of percent 50
Trigger the 4th collar to make a sound for 2 seconds, an electric shock for 2 seconds, and an intensity of percent 80
Trigger the 5th collar to make a sound for 2 seconds, electric shock for 2.5 seconds, and an intensity of percent 100

Note: If you continue to trigger for the 5th time, it will automatically stop for 30 seconds. If you can't trigger within this 30 seconds, the indicator will flash red and blue alternately for 30 and then it will automatically be normal.
No matter how many times it is triggered, if it stops for 20 seconds and does not trigger again, the system will automatically return to the first mode.