Aetertek AT-216S Waterproof Remote Dog Training Shock Vibration And Beep Collar Stops dog's unwanted bad behaviors. Collar features vibration, beeps and 7 levels of progressive electric static shock. Safe and effective. Very humane dog training e collar, strong vibration stops dog's bad behavior 99% of the time. Waterproof and Rechargeable Receiver. 100% waterproof and rechargeable receiver and goes up to 600 yards in range. Fits all dog sizes small medium and large dogs from 6 to 150 pounds with a collar size from 6 to 24 inches long. Best customer support. Fast customer email and phone support with 6 months replacement warranty. BUY WITH CONFIDENCE.