Aeteretk AT-919 Professional 1000M Remote Range Training Rechargeable Waterproof Shock Collar For Dogs Medium & Large Features multi-functional modes(Shock, Vibration, Warning Beep Tone ) 1000M remote control range,let your dogs with freedom LCD display to show the correction levels and dog mode/channel Adjustable 10 levels for shock, beep and vibration function Submersible receiver (genuine waterproof)