New Aeteretk At-919 Digital Display 1000m Range Both Rechargeable Remote and Receiver Dog Training Shock Collar for 2 Dogs Waterproof Warn Beep,Vibrate,10 Levels Shock Features multi-functional modes(adjustable 10 levels of Shock, Vibration, Warning Beep Tone ) 1000 yards remote control range,signal can pass wall ,tree ,fence etc LCD display to show the correction levels and dog mode/channel Both rechargeable transmitter and receiver ,save on buying replacement battery .Auto anti bark function (when your dog barking or running ,the receiver will automatically warm beep,vibrate or shock ) Submersible receiver (genuine waterproof) ,your dog can swim with it