No Bark Collar Small to Medium

The Dogtra YS300 is a bark activated no-bark collar made for small to medium sized dogs. The sound recognition sensor uses a microprocessor to distinguish between the dog’s bark and the surrounding ambient noise. The YS300 is fully waterproof and comes with a 2-hour rapid charge battery and charger.Package Contents: Bark Collar with collar strap Lithium Polymer Battery Charger Owner's Manual 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 10 lbs (Receiver weight : 4.0 ounces) 2-hour rapid charge Lithium Polymer batteries LED battery life Indicator Fully waterproof Warranty - 1-Year Warranty Power - Low to Medium Batteries - Lithium Polymer (Rapid Charge) Pager Mode (Vibration) - Yes, prior to stimulation.