Advanced Ultrasonic Technology: This Anti Barking Device features double ultrasonic emitters with an three adjustable frequency range, effectively covering a distance of 8-10 metersPortable Design: The Bark Stopper automatically activates upon detecting barking, emitting a high pitched sound that is inaudible to humans but unpleasant for dogs, encouraging them to stop barkingPremium Material: Crafted from ABS plastic, this compact Dog Anti Barking Device is designed to be both cute and functional, which can be easily hung on trees or placed anywhere in your home or yardWeather Resistant Construction: With an IP5 water resistance rating, this anti barking device for dog training is protected against light rain and splashes (though it should not be submerged), making it suitable for both indoor and outdoor useProduct Dimensions: The Bad Behavior Stopper is with dimensions of 5.1 cmx6 cmx9.13 cm2.03 inchx2.36 inchx3.59 inch, equipped with a 2000mAh battery and USB C charging port to ensure quick and convenient rechargingSpecification:Material:ABS PlasticUltrasonic Emission Distance: 8-10mUltrasonic Frequency: Three Speed AdjustmentBattery Capacity: 2000 MahEmission Time: 10SUSB C chargingTwo ultrasonic emission headsAutomatic barking stop (receive sound trigger)IP5 waterproof (cannot be soaked in water)Size Chart:5.1 cmx6 cmx9.13 cm2.03 inchx2.36 inchx3.59 inchPackage Includes:1 Sonicator1 Instruction Manual1 Charging CableNote:Please allow slightly errors 1-2cm0.39-0.79inch differences due to manual measurement.