Check the listing for details. Lazaga Mini Dog Bark Control Device, PLEASE READ DESCRIPTION. Condition: New. Listed at 27.00 USD. Lazaga Mini Dog Bark Control Device. Please note this item has not been tested and sold as is.Lazaga Mini Dog Bark Control DeviceNew in open box · Lazaga Mini Dog Bark Control Device, Outdoor AntiBarking Ultrasonic Dog Bark Control Sonic Bark Deterrents Silencer Stop BarkingBark Stop Repeller, Safety of Barking Indoors/Outdoors. ULTRASONIC BARK CONTROL: Latest upgradeversion, Stop excessive, noisy dog barking by emitting an ultrasonic sound tosilence the dog; More effective than old version deterrents and waterproof.· ►SAFE & EFFICIENT:Contain sensitive microphone isolates, ultrasonic controller for bark witheffective distance of 50 feet, and people couldn't hear the sonic (recommendedstarting mode for indoors is level 1, increase if needed).· ►FOR DIFFERENT SIZES:This mini bark control deterrents uses high-frequency sound that works toreduce excessive bark of dogs within hearing range; For dogs 6 months and olderUP TO 50 FOOT RANGE. Without need of traditional collar is safe for the mostvarieties of dogs.· ►MINI DESIGN: Thisultrasonic anti barking controller comes with a well-designed mini shape, canbe hung on a tree, indoor, outdoor wall or fence post to stop any dogsbarking(within range); Four buttons for operation, including a test button, anoff button and 3 level buttons.· ►ENERGY SAVING:Operates 9-Volt batteries (not included),average battery life 5-6 monthsdepending on use.