GUARANTEED COMPATIBILITY: Designed to work with for LiftMaster, for Chamberlain, and for Sears Craftsman door openers (1993-Present), ensure a perfect match for your garage setup, avoid the hassle of incompatible devices, and view our detailed photos for clarification. EXTENSIVE MODEL COVERAGE: This replacement remote is the go-to solution for Sears Craftsman models 139.53753, 139.53681, 139.53879 and for LiftMaster 80, 970, 370 Series. A comprehensive list in the description ensures your model is covered, providing a seamless user experience without the guesswork. ADVANCED ENCRYPTION AND FREQUENCY COMPATIBILITY: Equipped to handle Security+ (315MHz and 390MHz), Billion Code (390MHz), and Security+ 2.0 (310/315/390MHz) frequencies. Features state-of-the-art rolling code encryption for maximum security and superior remote connectivity. Ability to sync with four devices for enhanced functionality. Innovative Design with User-Friendly Features: Features a sliding cover to prevent accidental button presses, built-in LEDs for signal transmission and battery status, and utilizes the latest RF technology to extend range. Secure rolling code encryption ensures your garage access is secure and private. Portable and Lightweight: The compact keychain-style design makes this remote easy to carry and operate. Comes with a CR2032 battery for quick setup in no time. Its size and design ensure it can easily fit on your keychain, in your pocket or purse. Colour:As Shown Material:Plastic Package Contents: 2 * Garage Door Opener Remote Keys 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.