DetailsOur bark collar has 3 extremely efficient and safe training modes (beep, vibration and shock modes) for you to teach a dog basic obedience commands and correct your dog's inappropriate behaviors. And 100 levels are available for you to adjust the accurate intensity of shock or vibration for your dog. This training collar receiver has IP67 waterproof, freely use in outdoor activities and the remote has IPX3 waterproof, it can be used for basic life waterproof. Moreover, it has longest remo