LiftMaster 889LM MyQ Control Panel sp-6820 This replacement expansion board is

This replacement expansion board is compatible with LiftMaster SL585UL

Please Note: The barrier arm is not included with the purchase of the operator

Master/second with a simple 3-wire connection

making it suitable for free exit loops or ticket dispensers

LiftMaster 889LM MyQ Control Panel sp-6820 This replacement expansion board isLiftMaster 889LM MyQ Control Panel Imagine your Customers being at the office receiving an alert if they left their garage or gate open. Or being able to turn on their lights before they get home. The LiftMaster 889LM MyQ Control Panel does this by letting your Customers monitor, open, and close their garage door from anywhere and control home lighting all from a smartphone, tablet, or computer when paired with the LiftMaster 828LM Internet Gateway.