PRECISION COMPATIBILITY: Designed specifically for garage doors with a 315 MHz Learn Button, ensuring compatibility for , , and models like 370LM, 371LM, 940D, and more listed in the description. EXTENSIVE REPLACEMENT MODELS LIST: Compatible with a wide range of models for series 355LM to 398LM, for models from 41A6318 to 956CD, and for from 139.18191 to 139.53754, offering a comprehensive replacement solution. ADVANCED SECURITY FEATURES: Equipped with the latest RF technology and a strong, encrypted design. This remote utilizes rolling code technology, significantly enhancing the security of your home by preventing unauthorized access. PRACTICAL AND DESIGN: Features a compact, ellipse-shaped body that easily attaches to keychains, and is built from high-quality materials with a metal-reinforced chain frame for increased durability and aesthetic appeal. The actual product may have slight color differences or differences, which does not affect use. Colour:Black Material:plastic+Metal Package Contents: 2x Garage Door Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.