Aetertek Dog Training Shock Collar with remote Fully Waterproof 600 yards Range Aetertek 216D 2 dogs training shock collar with remote. and also you can upgrade to 3 dogs trainer if add extra collar Dog training collar with Vibration, Beep tone and 0-7 adjustable levels of Shock correction mode. Rechargeable 100% waterproof collar receiver, your dog will be happy when swim with it. Remote control dog trainer with range up to 600yards (approx. 550 meters) and signal can pass through walls and fences, suitable for all dog size from 15-150lbs Aetertek brand carry and go bag, very convenient package. 1 year warranty is provided.