371LM Remote Control Compatible.
377LM Keyless Entry Compatible.
Security + 315 MHz.
Disclaimer:
Board Housing may not fit in your operator due to the fact that is different or your operator is to old. In this case follow these instructions:
- Swap the board from the new housing by removing the screws that ties the board.
- Replace it in your old housing.
We always assure board compatibility.
THIS IS AN OEM LIFTMASTER PART THAT IS A REPLACEMENT PART FOR THE SEARS CRAFTSMAN GARAGE DOOR OPENERS