Main Features1. 2 in 1 function; LED display, pet wireless fence & remote control sound vibration shock trainer.2. The LED displays 5 different control radius distances.30 files = 30 meters, 60 files = 60 meters, 90 files = 90 meters, 150 files = 150 meters, 300 files = 300 meters3. In wireless fence mode:A. The transmitter and receiver do not need to use the code, and the signal can be normally operated after being turned on;B. One transmitter supports multi-collar receiver.4. Remote dog training mode:A. For code usage, you can control three dogs at the same time, 001 for the first dog, 002 for the second dog, and 003 for the third dog.B. Three functions: sound warning, vibration warning, shocked warning;C. Sound, Vibration and Shocked function can be adjusted from 1-6 levels.4 .Working Modes: Sound warning, Sound+Vibration, Sound+Shocked, Sound+Vibration+Shocked 5. Reflective with fluorescent TPU to improve night safety.6. The transmitter and receiver are rechargeable, and the receiver is waterproof.NOTE:In the fence mode, can be used for multiple dogs, needn't match the code. In the training mode, only can be be used for three dogs most, and need to match the code.Please read all instructions before using this product.Package Include1* Wireless Transmitter 1/2/3* Collar Receiver 1/2/3* Adjustable TPU Strap 1* 5V/1A Charger 1/2/3* Test Tool 1* English Manual