Remote includes: 1Pack remote with CR2032 battery (built-in), easy-to-follow instruction manual, visor clip which you can clip in your sun visor of the car to realize long-distance control, convenient to access to your garage doorEasy to program: Support detailed user manual, guide you to program successfully. The program process requires only the use of the remote control buttons and the learn button of the door openers to program without complicated operationsCompatibility: Compatible with Liftmaster Chamberlain Craftsman brand garage door openers produced from 1993 to current with frequency of 310/315/390MHZ and has Yellow/Purple/Orange/Red/Green learn buttons. Not work with DIP SWITCH3 Channels: The garage door remote SM24-MAX has 3 buttons to control up to 3 different garage door openers separately that eliminates the hassle of carrying multiple remotes, provide convenience for you. NOT 100% UNIVERSAL.Safe & Reliable: The garage door opener remote adopts Security+ and Security+ 2.0 technology, can achieve good encryption effect to ensure the safety of the house. NOT support SMART/WIFI/MYQ