This fully waterproof electronic collar is very popular among dog trainers and pet owners. Its training system will help you control and train your dog with a series of functions such as vibration alarm, sound warning, electrostatic punishment, etc. With its remote design, you can remotely call a stop, run and recall easily. and fight. It will be your good training assistant. Main Feature: Fully Waterproof Design: The receiver has super waterproof performance, so your pet can swim or walk in the rain. Adjustable Level: The vibration and vibration level is adjustable from 1 to 99. We recommend that you gradually try to find a suitable level when you use this pet training system for the first time. 3 training modes: shock/vibration/sound. With blue backlit screen: can be used at night. Remote control: 800 meters distance (without any interference). 3 channels: There are 3 signal channels on the remote transmitter, which can control 3 receivers of the same model. Automatic power saving: