★ END ANNOYING BARKING with the most advanced Barking Collar on the market. Adjustable from 6.2” to 20.5”, the Elite Dog Bark Collar fits most dog breeds over 10 lbs, from Miniature Pinschers to English Mastiffs. ★ TRAINER RECOMMENDED no bark collar has 4 training modes and delivers the most Humane, Safety and Effective training results. Intelligent sensitivity adjustment prevents activation by other dogs barking. ★ ADJUSTABLE INTENSITY LEVELS of vibrations and shocks are harmless to your dog. Auto Protection Mode activates if the dog bark collar delivers 7 corrections in a 1-minute period. LCD digital display allows quick, easy set-up. ★ WEATHERPROOF and visible in low-light conditions. With a water resistance rating of IP56, your dog is free to play in the sprinkler with the training collar. Two rows of reflective stitching keep you both safe from motorists after dark. ★ SAVE MONEY with our USB rechargeable static shock bark collar. Never buy the wrong size batteries again or find yourself without batteries if the collar runs low. Protect our planet from toxic disposable batteries. Questions? Contact LumoLeaf Customer Care Team now and we are here for you.