Upgrade your garage door opener with the Genuine LiftMaster 877LM Keypad. This wireless keypad is designed for use with openers featuring a YELLOW Learn Button. It features illuminated buttons and display, making it easy to use even in low light conditions. The keypad is made of durable plastic material and is water-resistant, ensuring it can withstand the elements. The LiftMaster 877LM Keypad has a range of up to 100 feet and operates on battery power. With compatibility for a variety of LiftMaster, Chamberlain, and Sears models, including 8355w, 8355, and 8500, this keypad is a versatile choice for any home. Its single button design makes it simple to use, and it comes complete with all the necessary features for keyless entry. 9 volt batt. not included.