Model: PD850 - Color: Black - Material: Plastic - Suitable Pet: Dog - Specification: Waterproof electric shock vibration stop barking aid - Bark terminator: 3.7V / 180mAh - Vibration Mode (V) warning prior to the stimulation; - 6 intensity levels (2-7) for a wide variety of dispositions; - 7 sensitivity levels (1-7) adjustable for different dogs and environments; - Easy testing method to check the no bark collar; - Waterproof and Rechargeable; - Multi-color LED battery life indicator; - Automatic activation mode: On Sleep mode If the dog start barkingthe bark terminator will be activated automatically. - Auto-protection mode: If the petrainer keeps activates for 5 times. it will enter into auto-protection mode - The LED indicator will turn to a blinking red and green for 1 minute. And then it turns off which means the petrainer goes to sleep mode - Packing List: - 1 x Bark terminator - 1 x 100~230V power charger (2-flat-pin plug) - 1 x USB cable (100cm) - 1 x PU collar band (71 x 2cm max neck girth: 66cm can be adjusted) - 4 x Screw nuts - 1 x English user manual