General description The Rechargeable and Waterproof IP67 Dual Dog Training Collar is designed for effective dog training with a range of up to 800 meters. It features 99 levels of vibration, electric shock, and noise modes, allowing you to customize the training experience for your dogs. This collar is suitable for training two dogs simultaneously with a single remote control. Technical specifications Range: Up to 800 meters Modes: Vibration, electric shock, and noise Battery life: 1-2 hour charge provides 7-14 days of use Waterproof rating: IP67 Frequency: RF434 MHz Compatibility and accessories Can sync with two receivers for training two dogs Remote control with two channels for separate or simultaneous training Usage Use Beep mode to alert the dog when misbehaving If no response, switch to Vibration mode for training Electric shock mode can be used if the dog does not respond to vibrations (intensity is adjustable) Once trained, dogs can stop bad behavior upon hearing the alert