Dogtra No Bark Collar Houses Two balls roll around for

Two balls roll around for extra interactive fun

The OptiBright MAX is equipped with bright white

Zip off bolster

Low-battery indicator

the correction starts at the lowest level and increases to the next level each time your dog barks within 30 seconds of the previous bark

Dogtra No Bark Collar Houses Two balls roll around forThe collar is fully waterproof and has an LED battery life indicator. System includes: No Bark Collar with collar strap, Lithium Polymer battery charger, owner's manual, and plastic dummy contact points. Features: "Bark Recognition" that distinguishes a dogs barking from its surrounding ambient noises Non electrical stimulation vibration warning prior to the stimulation 6 intensity levels (2 7) for a wide variety of dispositions Fits dogs as small as