Features: Remote Training System with LCD display, easy to operate. Can be used to help correct barking, walking, leash training, sitting, pee, aggression, and other behavioral obedience. Waterproof Receiver: your pet can swim or walk in the rain with it. Rechargeable: rechargeable Remote and rechargeable Receiver. Adjustable Levels: You could adjust the level of Vibration mode and Shock mode from 1-100. Three training mode: Shock/Vibration/Sound. Three Channels: Choose channel for max 3 Receivers with one Remote. Auto Power Save: The Remote and Receiver will go into standby mode if no operations within 5 minutes.