This unit from Liftmaster is directly compatible with your Lift Master, Chamberlain, or Sears Craftsman garage door opener with a PURPLE Learn button.
This universal unit is simple to program, just press the learn button on your opener and activate the remote control.
Features
-Activates one Liftmaster Security+ receiver
-Backlit keys for easy viewing at night
-Mounting hardware supplied
-Power: 9 V battery (included)
-Frequency: 315 MHz
-Codes: 4 digit PIN
-Dimensions: 6" by 2.5" by 1"
-1 year limited warranty
