Feature:1. Multiple Usages: Effectively train your dog to prevent unnecessary behaviors such as barking, digging, scratching, or biting, and prevent them from climbing to dangerous heights such as chairs or sofas.2. Working Modes: This portable pet training clicker has ultrasonic release mode, buzzing training mode, and LED flashlight mode, meeting various usage needs in different scenarios.3. 3 Frequency Waves: This ultrasonic dog barking stopper can emit 3 types of ultrasonic waves, namely stable frequency, fluctuation frequency, and irregular frequency, ensuring that the dog adapts well.4. For Pet Training: This ultrasonic clicker can serve as an auxiliary device for pet training, easily preventing dog from barking or inappropriate behavior, the large button design is convenient to click on.5. Battery Powered: The pet training clicker is powered by a lithium battery, with a large capacity of 1200mAh to ensure long term use, the frequency is 10KHz30KHz, the effective range is 110 meters.Specification:Item Type: Ultrasonic Dog TrainerMaterial: PlasticBattery Type: Lithium Battery (built in)Battery Capacity: 1200mAhUltrasonic Frequency: 10KHz-30KHzApplication Range: Approx. 1-10m / 3.3-32.8ft.Package List:1 x Host1 x Charging Cable1 x Hanging Rope1 x User ManualNote:1. Not effective for dogs with hearing problems.2. This product is not recommended for use on dogs under 6 months of age.