General description This P67 Double Dog Collar is designed for training two dogs simultaneously, making it ideal for pet owners with multiple dogs. With a waterproof receiver and a remote control range of up to 800 meters, this collar allows for effective training in various environments, including parks and backyards. Technical specifications Range: Up to 800 meters Collar size: Adjustable from 16 to 62 cm Levels of stimulation: 99 levels (electric stimulation, vibration, light, and sound) Battery type: Lithium-ion (rechargeable) Battery life: 7-14 days of use Other information Waterproof receiver allows for use during swimming or bathing Remote and receiver charge simultaneously Automatic power saving mode extends battery life