Aetertek AT-919C 1000M Remote Control Dog Training Collar Adjustable Shock 100% Waterproof for Swim Auto No Bark for 2 Dogs, Rechargeable and Stand by Mode 100% submersible (waterproof) receiver, receiver can be immersed in water when swim As 1-1 or 1-2 dog trainer (This list is for 2 dog training system) Adjustable Shock, Vibration, Beep, Auto no bark, LCD, Flashlight Remote range up to 1095 yard (approx.1000 meter), for all dog size from 15-150lbs CE,ROHS,FCC,RTTE Approved.1 Year warranty