UMyPet 330 Yards Remote 4 in 1 LCD Rechargeable and Waterproof Pet Dog Training Collar with 100lvs Shock and Vibration for 2 Dogs A set comes with 2 training collars which are water proof, plus a super easy to use and operate transmitter It has a rechargeable LCD screen remote control, which gives professional level shock and vibration. The remote control works up to a range of 330 yards, for both dogs Its electric shock devices are designed with 4 functional modes- vibration, light, beep and static shock. It has an ingenious design that prevents conflict with other similar devices when used within range of each other High quality and long lasting nylon strap that is adjustable to fit different dog sizes.Money-back guarantee. Click the Orange button to Order NOW!