3 Training Modes Our dog receive collar has 3 extremely efficient and safe training modes(beep. vibration and shock modes) for you to cultivate a dog basic obedience commands and correct your dog'.s inappropriate behaviors. 100 Levels of Correction Do you fear hurting your dog in Shock Mode? Our Receiver Collar offers adjustable 1-100 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. IP67 Waterproof The IP67 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. 3280 FT Receiving Range Electronic Training Collar for dogs will let you enjoy the training time with your pet in a long distance up to 3280 ft(no obstacle. You could feel free to train your dog in both the park. backyard and different rooms.