Check the listing for details. Ultrasonic Anti Dog Barking trainer with 3 USB rechargeable modes. Condition: New. Listed at 22.02 USD. Ultrasonic Dog Repellers Anti Bark Control Stop Barking Dog Training Repeller Device 【100% Safety】 - This dog bark stopper does not use any liquid propellant or harmful sprays or chemical, which is one hundred percent harmless to your dogs or other pets or plants, and of course safe for yourself and your families, friends, etc. 【Effective Range】- Equipped with upgrade 3 channel high-pitched ultrasonic sensors that have 20~25KHZ power frequency, this ultrasonic dog bark deterrent can effectively expel dogs within 10M. 【Multi-function】- This product with 1000 mAh battery and it can be rechargeable. It has three different sound wave modes, which can break the dog's immunity to a certain sound wave. 【Easy to carry】- The handheld anti-bark repellent is tiny in size, and it can be in your pocket or take it on your hand (with hanging string). Maximum exposure range is 32.8feetBattery Capacity:1000mah,Work modes: Sound mode ,Ultrasonic mode ,Flash light mode ,STOP BAD BEHAVIOR QUICKLY wild adventure not afraid of wolves powerful dual ultrasonic sensors wider range and longer distance up to 32ft extensive control rangecurated sound wave design dog-friendly ultrasonic wavefrom easier to understand and learntraining and deterrent modes your three-in-one solution for dog behavior problemshigh-power led flashlight combined with ultrasoundrechargeable and ultra battery life up to 6 months standby timeMICRO USB CHARING PORT EASY AND FLEXIBLE CHARGING RECHARGEABLE ADN LONG BATTERY LIFE UP TO 6 MONTHS STANDBY TIME 1000MAH LARGE CAPACITY BATTERY 100% SAFE - This dog stopper does not use any liquid propellants or harmful sprays or chemicals, it is 100% harmless to your dog or other pets or plants, and of course it is also safe for you and your family, friends, etc.Effective Range - Equipped with 3-channel high frequency ultrasonic sensor, the power frequency is 20-25KHZ, this ultrasonic dog bark deterrent can effectively drive away dogs within 10M.MULTIFUNCTIONAL - This product has a 1000mAh battery that is rechargeable. It has three different sound wave modes that can break a dog's immunity to a certain kind of sound wave.EASY TO CARRY - Portable anti-bark repellent is small enough to carry in your pocket or carry around (with lanyard). Maximum exposure range of 32.8 feet Modes: Sound Mode, Ultrasonic Mode, Flash Mode,Battery capacity: 1000mAh, working