Range: Up to 880 meters Waterproof: IP67 Tone/Vibration Options: 100 vibration levels and 1 standard tone level Shock Levels: 100 static shock levels Battery Type: Rechargeable lithium batteries, simultaneous charging Ergonomic and easy-to-use transmitter LCD display for nighttime use Light mode to help see the dog in low light conditions For 1 dog. Package Contents: 1 Receiver Collar 1 Remote Transmitter 1 Charging Cable 1 Adapter 1 Test Bulb 1 Nylon Belt 2 Contact Points 1 User Manual Recommended Training Steps: When a dog has bad behavior: 1. Use the beep mode to warn the dog with a sound; 2. If the dog does not react, use the vibration mode; 3. The vibration mode can have a good training effect for some dogs and stop their bad behavior. If the dog does not respond to the vibrations, briefly use the electric shock mode (the intensity is adjustable, which is completely safe for the dog). After receiving different training warnings, the dog can stop its bad behavior each time it