Wean your dog from excessive barking with the sleek Dogtra YS600 Bark Collar. The unit gives you plenty of options for training, including 10 intensity levels, low-to-high stimulation, nonstimulating pager mode and accelerometer bark sensor. Waterproof receiver collar comes powered by two-hour rapid-charge batteries. Persistent-bark indicator alerts you of excessive barking each time the unit is turned off. For use on dogs as smaII as 35 lbs. Includes rechargeable batteries, 0.63 contact points, 28L x 0.75 W black strap, rubber caps, wall charger and scratching test tool. Manufacturers one-year warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Bark Collars.