Features: Multi frequency with triple emitters effectively reduces excessive by emitting varying , ideal for pet owners seeking a humane training solution. Features a ABS housing, smart sound activated sensors, and portable design for hassle use indoors or outdoors. Designed for dog owners, professional trainers, and households prioritizing pet behavior management and noise reduction. Ideal for home environments, park walks, travel scenarios, or any setting requiring quietness and canine training support. Combines safe, toxic with extended battery to continuous bark control across breeds while maintaining . Specifications: : ABS high-strength plastic, and Size: 5x12.2cm, handheld design, easy to carry and use Attribute: Three-, providing a wider coverage Technical parameters: Adopt advanced to effectively suppress dog ; built-in rechargeable battery, support long-term use Use scenario: Suitable for homes, outdoor activities and public places, helping to train pets to Practicality: Multifunctional design, which can not only be used to suppress dog , but also to train other behaviors of pets Package Includes: Multifunctional ultrasonic dog suppressor three-head model × 1 USB charging cable × 1 note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.