Is your dog barking day and night? The PetSafe Lite Rechargeable Bark Control Collar decreases nuisance barking and whining. It automatically adjusts through 15 levels of safe, but annoying static correction levels to find the perfect setting for your dog. Designed for dogs that might need a milder static stimulation than the standard bark collarsUtilises unique bark-sensing technology to activate only when your dog barks15 levels of lite static correction – a milder level of static correction for sensitive or smaller dogs Will not activate in response to another dog barking or other noises Waterproof – suitable for dogs that like to play outdoors Uses a quick charging wall adaptor (included)Adjustable, replaceable strap allows it to fit neck sizes up to 23 inches Suitable for small to medium sized dogsTo help keep your dog safe, the PetSafe Lite Rechargeable Bark Control Collar has a built-in automatic stop feature. If your dog barks 15 times or more within a 1 minute and 20 second period (80 seconds), the collar automatically shuts off for 3 minutes.