Sears Craftsman 139.3050 AssureLink Compatible Wireless Garage Door Keyless Entry Keypad

Upgrade or replace your garage entry system with the LiftMaster 878MAX Wireless Garage Door Keypad. This keypad is a direct, fully compatible replacement for the Sears Craftsman 139.3050 AssureLink wireless keypad and works seamlessly across LiftMaster, Chamberlain, and Sears Craftsman garage door openers manufactured since January 1993.

Designed for maximum convenience, this wireless keypad allows you to control up to 3 separate garage door openers or gate operators using personalized 4-digit PINs. Whether you’re replacing a lost or damaged keypad or adding keyless entry for family access, the 878MAX offers secure, reliable multi-door operation.

Broad Compatibility & Smart Support:

Compatible with LiftMaster, Chamberlain, and Sears Craftsman units featuring any of the following learn button colors:

• Yellow Learn Button (Security+ 2.0 / Chamberlain MyQ / Sears AssureLink)
• Purple Learn Button (315 MHz Security+)
• Red / Orange Learn Button (390 MHz Security+)
• Green Learn Button (390 MHz Billion Code, post-1993)
• 315 MHz Security+ LiftMaster and Elite gate operators

Product Features & Details:

• Multi-Door Control: Operates up to 3 separate garage door openers or gate operators made after 1993.
• Keyless Entry: Temporary password functionality allows guest or service access without sharing your primary code.
• Weather-Resistant Cover: Protective flip-up cover guards buttons against harsh weather elements.
• Illuminated Keypad: Backlit numbers make nighttime entry easy and visible.
• Complete Kit Included: Comes ready to install with a 9V battery, mounting hardware, and easy-to-follow programming instructions.
• Dimensions:25″ H x 2.5″ W x 1.0″ D
• Warranty: 1-Year Manufacturer Warranty