3 Training ModesOur dog receive collar has 3 extremely efficient and safe training modes(beep. vibration and static shock modes) for you to cultivate a dog basic obedience commands and correct your dog'.s inappropriate behaviours. Come with an upgraded recording function. you can record a 4S command and control through the transmitter. The remote control is equipped with a safety keypad lock to prevent misuse and accidental shock. 9 Levels of CorrectionDo you fear hurting your dog in Static Shock Mode? Our Receiver Collar offers adjustable 1-9 static shock and vibration levels for you. Adjust static shock/vibration levels to fit your pet's personality or use tone only mode for training. Note Beep mode can'.t adjust level intensity. Start from the lowest level for better accommodation. IP65 Waterproof Receiver The IP65 waterproof training collar receiver offers your pets maximum flexibility during outdoor activities. (NOTE Please don't put it in the water for a long time.) The remote also features 3 channels to support training 3 dogs simultaneously. 984 FT Receiving RangeElectronic Training Collar for dogs will let you enjoy the training time with your pet in a long distance up to 984 ft(no obstacle. You could feel free to train your dog in both the park. backyard and different rooms.