- Information Intelligent automatic dog bark collar: The no bark collar has 3 adjustable levels of sensitivity ( L/M/H ) and 3 stop barking mode ( beep, vibration, harmless shock ) to give different kinds of dogs effective bark control. Easy to use with large LED screen to facilitate clear reading at night. Humane & no harm dog bark collar: 4 levels of adjustable vibration and harmless shock modes ( 0/L/M/H ), set the level of shock mode at 0 if you don't wanna to shock your dog. Anti-Injury intelligent recognition chip and technology prevents over stimulation, teach your dog not to bark safely. Anti-error triggers: this bark collar adopts 2019 newest smart barking detection chip, High-Precision Ultrasonic distance Measurement, is able to recognize the difference between your dog and other nearby dogs' barks, ultra strong noise-resistant ability, effectively solve the problem of error-triggered , and also can prevent going off randomly when your dog is only shaking head or scratching neck. No bark collar for small dogs / medium dogs / large dogs: Adjustable strap for most dogs between 12 lbs - 120 lbs and Neck circumference between ８ inches to 24 inches. Rechargeable bark collar, waterproof with breathing light: This anti bark collar contains a built-in rechargeable lithium-ion battery and 2 hour of charging time gives you 14 days of use. Rainproof design. Blinking light to indicate your dog's location within 200 meters under dark
