EP-380R is an extremely safe & effective multi-dog training system (extra receivers required), which provides all of the features for reliable, safe and humane training you want in a companion dog trainer. This is the latest version of EP-380R with a newly designed collar receiver and remote control range up to 1200 metres in open-fields. The collar receiver is solid built, rechargeable and fully waterproof / submersible and your dog can wear it for any out-door training. It comes with a large capacity rechargeable battery and is fully compatible with the previous version. The handset transmitter is rechargeable (new output: 5V1A) and water-resistant (not submersible). It is rubber-coated with backlight function and large buttons for comfortable and convenient use.