5 Sensitivity Levels for Auto Mode Press the receiver of bark and shock collar combo power button 3 times in quick succession to adjust the sensitivity of auto mode. Auto bark collar has a total of 5 levels to suit different breeds.
Open the Auto Mode You can turn on or off the auto bark collar at any time by remote control. After the 3 dog shock collar for large dogs' pairing is complete, press and hold the remote control's power button until you hear the receiver beep once (turn on) or twice (turn off).
Waterproof and Battery The automatic bark collar for 3 dogs has an IPX7 waterproof and long-life battery. The work time after a full charge is 90 days for remote control and 30 days for receivers.