Features: 1. This anti-bark control device helps train good behavior and reduce bad habits like barking, digging, clawing, biting, scratching, and getting on furniture. 2. Lightweight and portable, our dog bark control system stimulates dogs through sound that humans can' t detect and won' t hurt the auditory sensors of pets or other animals for safer daily training. 3. The Updated dog bark deterrent makes you handy when training your dog. Durable and weatherproof for outdoor use. 4. Our ultrasonic anti barking devices provide a safe and effective solution for dog training and bark control. 5. The small size of the Dog bark deterrent fits perfectly in the hand. You can carry it in your pocket. Notice: *Actual color may be slightly different from the image due to different monitor and light effect *Please allow 1-3cm deviation due to manual measurement Description: Size: 10.5*7.5*11.9cm Battery: 1 x 9V Battery ( not included ) includes: 1 set x Bark Control Device