Feature: 1. IP RATED WATERPROOF: The dog bark training collar is IP rated waterproof and safe for use in all weather conditions, suitable for indoor or outdoor use. 2. ADJUSTABLE SENSITIVITY: Dog bark training collar with adjustable sensitivity, progressive reinforcement by sound and electrostatic stimulation, humane and effective. 3. LONG STANDBY TIME: Automatic dog barking collar with rechargeable lithium battery, which can be used for up to 14 days on a 2 hour charge and standby for more than 60 days. 4. SAFE AND RELIABLE: If your dog barks more than 7 times in a minute, the barking collar will go into sleep mode for one minute and the display will flash E (error) for one minute. 5. SLEEP MODE: Dog bark collar when in sleep mode, can be cancelled by pressing any button. The collar will return to active mode after one minute of sleep. Full protection for your dog. Specification: Item Type: Dog Bark Collar Material: ABS, Nylon Weave Parameters: Battery Type: Polymer Lithium Battery x 1, Battery Model: 702025, Battery Capacity: 300mAh (Shipped with Built in Battery). Package List: 1 x Dog Bark Collar1 x Test Light 1 x Charging Cable 1 x Manual Note: Static treatment:Place the test light on the two conductive sensors of the barking device and blow air into the sensing hole near the common screw or bark loudly like a dog. When the barking device is activated 3 times, the test light will emit int light. (Test light is not normally required).