This great Chamberlain 753CB compatible unit from Linear is compatible with older Liftmaster, Chamberlain, and Sears Craftsman garage door or gate openers that use remotes that have 8 or 9 dips switches for programming. Programming choose the button you wish to program and input the 9 (+/0/-) dip switches to match your existing remote control or actual door opener and you'll be ready to go.
This unit can control upto 3 different Lift Master, Chamberlain, or Sears Craftsman openers (all must use the same dip switch technology). This unit will also work on openers made between 1984 and 1992 that have YELLOW, GREY, or WHITE learn buttons.
-390 MHz frequency gate or garage door remote transmitter
-3-channel remote control transmitter
-Use with Lift Master, Sears, or Chamberlain openers with 8 or 9 dip switches
-Also compatible with TrueGuard, Crawford, or Master Mechanic garage door openers
-Includes visor clip and programming instructions.
-Includes heavy dutybattery and built-in LED light to indicate battery strength.
-Dimensions 1/2" x 3" x 1 5/8"
-1 year manufacturer warranty