877LM 877MAX Wireless Keypad Opener for Liftmaster and Sears Garage Door Openers Compatible with Chamberlain, Liftmaster, and Sears Craftsman garage door openers manufactured after 2011 that feature a yellow Learn Button, including models such as 891LM, 893LM, 950ESTD, and 953ESTD. Key Benefits and Features: Wide Compatibility: Designed for use with select Chamberlain, Liftmaster, and Sears Craftsman openers, ensuring seamless integration for users with compatible units. MultiDoor Control: Operates up to three different garage door openers from a single keypad, eliminating the need for multiple remotes. Durable WeatherResistant Design: Clamshellstyle housing with waterproof construction extends product life and enhances protection against outdoor elements. EasytoUse Backlit Keypad: Large, illuminated numbers provide clear visibility even in lowlight or nighttime conditions. Wireless BatteryPowered Operation: Completely wireless design powered by the included battery for quick installation with no wiring required. Enhanced Security: Utilizes Security+ 2.0 rolling code technology to prevent code grabbing and reduce interference for safe, reliable operation. Practical Applications: 1. Convenient access for families without needing to carry remote controls; ideal for busy households with multiple drivers. 2. Reliable outdoor mounting for secure garage access when returning home at night or during bad weather. 3. Ideal for granting temporary access to guests, service providers, or delivery personnel without distributing permanent remotes. Specifications: Model: 877LM 877MAX Compatibility: Chamberlain, Liftmaster, Sears Craftsman openers with yellow Learn Button (post2011) Control Capacity: Up to 3 garage door openers Power Source: Battery (included) Design: Wireless, waterproof, clamshell cover, backlit numbers Security: Security+ 2.0 rolling code technology This keypad opener offers an easy, secure, and longlasting solution for controlling your garage doors without relying on handheld remotes.