Control 2 dogs at once - This dog training collar with remote control 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 once with one button without looking at the remote. Makes it easy to train your dog in a park or yard. 800 Meters Range - The Remote Training Collar uses RF434Mhz frequency to provide a range of up to 800 meters, Easily train your dog dog in the park or yard. 100% Waterproof Receiver - It works even if submerged in water, allowing your dog to swim or bathe freely with the collar on. The rechargeable remote and receiver can be charged at the same time so your equipment is always ready to use. The collar remote and receiver have a long battery life (1 to 2 hours of battery life). charge give you 7-14 days of use) with lithium-ion batteries. Plus, automatic power-saving mode helps preserve battery life when not in use. Dog training collar with 0-99 levels of settings for electrical stimulation, vibration,