Liftmaster/Chamberlain/ Sears Craftsman Garage Door Opener with yellow, purple, red/orange, green learning buttons. 893max remote control can replace 81LM, 371LM, 971LM, 891LM, 890MAX remote control transmitter. Includes a detailed user manual to help you set up in minutes..Remote Control: This garage door opener works remotely within 120 feet of the garage door opener and rolls in for access "without waiting." Please approach the garage door switch for remote control programming! Make sure your garage door opener is completely closed before you begin programming the remote, otherwise the programming may fail..Easy to Operate: If you want to set the No.2 button to security +2.0 type, press and release the No.2 button once, the led light is off, press another button once to fix the No.2 button code you need. You can contact customer service for specific operation methods..Safe and Reliable: The latest Security +2.0 scrollcode technology can prevent intruders from stealing your remote control signal, increase the remote control security and protect your property security..Packaging: Battery, sun shield clip, user manual are included. We promise the premium quality and the best service. If you are not completely satisfied with your purchase, simply let us know and we will provide you with a FULL refund or replacement, no questions asked.