I have New never opened Ducks unlimited Bark Collar by innotek. Comes with automatic charger.  Lifetime batteries included.  I bought 2 but have only used the 1. I paid $120 last year but will sell for $65. Comes with Charger, 7 adjustable Stimulation Levels, waterproof. The least stimulation just tickles the dogs throat then if as you increase levels they they will start to feel a slight shock to a stronger one depending on level. These collars work great breaking a dog from unwanted barking.

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