CONTROL 2 DOGS AT ONCE - This remote dog training collar has a range of up to 800 meters. Control up to 2 collars to train dogs of all sizes. You can control 2 dogs at the same time with just one button without looking at the remote. Make it easy to train your dog in the park or yard. 800m Range - The remote training collar offers a range of up to 800m using RF434 Mhz frequency, making it easy to train your dog in the park or yard. Waterproof Receiver - Works well even when submerged in water, allowing your dog to swim or bathe freely with the collar. The rechargeable remote control and receiver can be charged simultaneously, keeping your equipment ready to use. The remote control and receiver of the collar use lithium-ion batteries for long life. time will give you 7-14 days of use). In addition, automatic power saving modes help extend battery life when not in use. (excluding battery) Dog training collar with adjustable levels from 0 to 99 for electric stimulation, vibration, light