Compatible Major Brands:Chamberlain,LiftMaster,Genie, Mechanic, Stanley, Do It, Linear,Moore-o-Matic and Craftsman garage door openers with multi-frequency 300/310/315/390MHz etc.NOTE:Access Master,Do-it,Gatheron,LiftMaster,Link Control,Master Mechanic,Raynor,Sears Craftsman,Steel Craft,True Value are all compatible with Chamberlain technology.Please refer to the relevant learn button of Chamberlain listed above to set your keypad. | Security Entry: If you don't want to use keys or remote control to open and close your garage doors, choose our keyless keypad for gaining security access entry. The keypad provides visibility in any light to allow entry via a personal 4-digit code. | 2 Channels support 2 Doors: Each channel can control different receiver independently. You can program each channel to a different Entry PIN code. And temporary PIN Code can be programmed for guests entry. | Easy Programming:Set up in seconds with easy to follow wireless programming and universal frequency recognition of the major brands garage door openers installed in North America.But please DO NOT reference to other store's keypad programming,the operation is different.