Anti-bark collar for small dogs 5-15 pounds, with powerful adjustable vibration function, no electric shock or sharp teeth, will not harm the puppy, safer to use Rechargeable anti-bark collar, charging only takes 1 hour 2 hours, working time is about 15 days, IP67 waterproof dog collar can be used outdoors all day Equipped with intelligent sensors and chips, this anti-bark collar will detect dog barks at specific frequencies and decibels and will no longer be confused with other sounds or other dogs. Trigger - Anti-bark collar for dogs of all sizes, it is a lightweight anti-bark collar for small dogs 5-15 pounds with neck sizes from 6 to 20 inches, perfect for small dogs like chihuahuas Collar anti-barking The barking dog collar has 5 sensitivity levels and can be easily adjusted to ambient noise