Dogtra No Bark Collar

Bark Recognition that distinguishes a dogs barking from its surrounding ambient hoises.
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 10 lbs (receiver weight: 4.0 ounces),
2 hour rapid charge Lithium Polymer batteries The YS 300 is a bark activated "no-bark-collar" for small to medium size dogs. Features LED battery life indicator and is fully waterproof. More »