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 easier to train your dog in the park or backyard. 800m Range - The remote training collar offers a range of up to 800m using the RF434 Mhz frequency, making it easy to train your dog in the park or backyard. yard. Waterproof Receiver - Works well even when submerged in water, allowing your dog to swim or bathe freely with the collar on. The rechargeable remote and receiver can be charged simultaneously, keeping your equipment ready for use. Both the remote and collar receiver use lithium-ion batteries for long battery life. (The 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