<p>Features: Ultrasonic technology: Using advanced ultrasonic technology to drive dogs, effectively preventing dogs from barking or behaving improperly.</p> <p> LED indicator light: Build in LED light, can be used at night or in low light conditions, ensuring visibilities during training and improving safety.</p> <p> Portable Design: Small size and lightweight, easy to carry, can place in a pocket or attach to keychains for training.</p> <p> Multiple gear selection: Supports multiple frequency adjustments, allowing users to flexibly adjust according to their dog's reaction, ensuring the best training effect.</p> <p> Full of durability: Quality materials to enhances the durability and applicability of the product.</p> <p>Specifications: Material: ABS</p> <p>Color: orange, black(optional)</p> <p>Size: approx. 106x24mm\/4.17x0.94inch</p> <p>Power: 25KHz</p> <p>Lamp beads: 365nm</p> <p>Package Includes: 1 Piece Anti Bark Device</p> <p>1 Piece Charging Cable</p> <p>1 Piece Wrist Lanyard</p> <p>note: Please allow 1-2cm errors due to manual measurement. </p> <p>Please allow for slight color differences due to different display resolution.</p>