Sysrion Bark Dog Collar Training System, Electric No Bark Shock with 6 Adjustable Sensitivity Control with Manual - Premium Anti-bark Pet Dog Bark Collar for Small & Medium Dogs - Black High-quality Electronic Anti-Bark Dog Collar and Sends harmless warning beep and shock to the dog whenever it barks. It will more easily catch your dogs' barking, as well as works for a longer service lifetime. 6 sensitivity levels (1-6) adjustable for the different size of dogs barking through the "High" /"Low" button. Bark Collar delivers sound and shock with each bark. No Bark Collar is stop barking dog devices that sends a harmless static shock to the dog whenever it barks. Humane, cost-effective and harmless to your dog. Easy 2 button adjustment lets you accommodate your dog's unique vocalizations, coughing or bumping. Anti Bark Collar is almost completely automatic. Just install a 6-volt alkaline battery, adjust the strap to the size of your dog's neck and the dog bark collar automatically begins doing its job. Black nylon web collar adjusts from 4.5" to 7.1" to fit any breed of small & medium dogs (5-60 Pounds). The quick and effective smart device keeping a quiet environment. New Generation No Bark Control Collar is high quality and easy to use to stop dog from barking. Comes with a instruction explains how to successfully train your dog. This can be a perfect gift for your furry friends. 100% Satisfaction and 30 Days Money Back Guarantee!