Nest 9 Dog Bark Collar, Rechargeable Anti Barking Training Collar

The Nest 9 dog bark collar has 3 training modes: beep, vibration, and shock. It's much lighter than other versions, with a small design that allows your dog to wear it without stress, greatly improving their comfort. The collar is also waterproof and has a rechargeable battery, continuously work for 15 days. You can use it to train your pet but not punishing. Use vibration/e-shock with lower level 1-3 instead of high level for small dogs.