Features 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 10KHz‑30KHz, the effective range is 1‑10 meters. Specification Item Type: Ultrasonic Dog Trainer Material: Plastic Battery Type: Lithium Battery (built in) Battery Capacity: 1200mAh Ultrasonic Frequency: 10KHz-30KHz Application Range: Approx. 1-10m / 3.3-32.8ft Package List 1 x Host 1 x Charging Cable 1 x Hanging Rope 1 x User Manual