Very popular and used by expert trainers and first time pet owners. Can be used to help correct barking, leash walking, sitting, aggression and other behavioral obedience. 800 Yards Range - The Remote Training Collar uses the frequency to provide a range of up to 800 yards, Easily train your dog in the park or yard. 100% Waterproof Receiver - It works even if submerged in water. water, allowing your dog to swim or bathe freely with the collar. The rechargeable remote and receiver can be charged at the same time so your equipment is always ready to use. Dog training collar with 0-99 levels of settings for electrical stimulation, vibration , light and sound. Suitable for all dogs. Durable and adjustable TPU collar (16 to 62cm) able to adapt to small and medium dogs. The collar’s remote control and receiver have a long battery life (1 to 2 hours of charge time gives you 7-14 days of use) with lithium-ion batteries. Plus, automatic power-saving mode helps preserve battery life when not in