Aetertek AT-216W Updated 600 Yard Remote Control Pet Dog Trainer Training Beep Vibration Electric Shock Collar For 1 Dog As 1 or 2 or 3 dogs remote dog training shock collar system (This list is for 1 dog trainer Vibration, Beep and 0-7 adjustable level of Shock correction mode Rechargeable water-resistant(not waterproof) receiver collar, pls DO NOT make your dog swim with it Remote range up to 600 yard (approx. 550 meter), suitable for all dog size from 15-150lbs CE,ROHS,FCC,RTTE Approved.1 Year manufacturer warranty