General description This rechargeable and IP67 waterproof dog training collar allows you to train two dogs simultaneously from a distance of up to 800 meters. It features adjustable levels from 0 to 99 for electric stimulation, vibration, light, and sound, making it suitable for dogs of all sizes. Technical specifications Range: Up to 800 meters Frequency: RF434Mhz Collar size: Adjustable from 16 to 62 cm Battery life: 7-14 days with 1-2 hours of charging Other information Waterproof receiver allows for use while swimming or bathing Rechargeable remote and receiver can be charged simultaneously Automatic power saving modes extend battery life when not in use