This video will show you how to program the model 877LM wireless keyless entry to your LiftMaster® garage door opener using the LEARN button.
More info on Wireless Keyless Entry: http://bit.ly/1O7aIfc
This video will show you how to program the model 877LM wireless keyless entry to your LiftMaster® garage door opener using the LEARN button.
More info on Wireless Keyless Entry: http://bit.ly/1O7aIfc