2725 FT Dog Training US Collar Rechargeable Remote Shock PET Waterproof Trainer (For 1 Dog)PRODUCT DESCRIPTION Features 875 Yard Remote RangeThe remote distance is up to 875 yards, train your dogs in parks or backyards, use this dog training collar to correct dogs' barking, walking, leash training, sitting, aggression, and other behaviors. one remote transmitter can control up to 3 collars receivers; Train your dogs under your control, no need to shout at your dog any longer 1 Waterproof Shock Collar with Soft Touch Pointsthese IP67