quality replacement wireless garage door opener keypad that lets you open and secure your garage with a 4digit PIN instead of a remote or a key. Key benefits Convenience: Enter and exit without carrying a remote or searching for keys. One keypad supports up to three separate garage doors. Security: Uses Security+ 2.0 rolling code technology to prevent code theft and minimize radio interference. Compatibility: Designed to a wide range of opener keypads and Craftsman models (see full list below). Reliable performance: Rigorously tested with specialized equipment to ensure consistent synchronization and operation. Features 4digit PIN operation replaces the need for a remote control or physical key. 3 channels: control up to three motor units or garage doors from a single keypad. Security+ 2.0 rolling code technology easily synchronizes with existing door opener frequencies to reduce radio wave interference. quality replacement part manufactured to match original function and compatibility. Compatible replacements Replaces: 977lm, 976lm, 90D, 956D, 377lm, 376lm, 940D, 66LM, 8500W, G940EVP2 For Craftsman models: 139.3050, 139.53754, 139.5375401, 139.18795, 139.53684p, 139.53876, 139.53985d, 139.53919, 139.53684 Use scenarios Homeowner convenience: Give family members a PIN so everyone can come and go without keys or remotes. Service and deliveries: Provide temporary access to delivery personnel or contractors by sharing a PIN. Multidoor properties: Operate a garage, workshop, and storage bay from a single, wallmounted keypad. Important Please double check our pictures and product description to make sure this keypad is the correct replacement for your opener before ordering.