Dog training device

1. Remote control distance > 400 meters
2. 10 audio levels
3. 19 vibration levels
4. 19 electric shock levels
5. Receiver 8-level waterproof
6. 20-day battery life, 2-hour charge, 20-day use
7. One remote control can control 2 receivers
8. Nylon neck strap
9. Remote control battery: 400mA
10. Receiver battery: 300mA