Want to open your garage door with your smartphone without changing everything? The LiftMaster 821LM MyQ Garage does this by letting you monitor, open and close your garage door from anywhere and control your home lighting...all from your smartphone, tablet or computer. This unit works with most major brand operators (LiftMaster/Chamberlain/Craftsman, Linear, Genie, Overhead, Stanley, and Wayne-Dalton) manufactured after 1993 and has working photo eyes. Please call or send us an email for verification if you are unsure. This unit as it is shipped is capable of transforming one door to the new technology and capable of adding a second with another door sensor (LM41D7924-1 @ $27.95). You will also have the capabilities of adding up to 16 MyQ-Enabled devices.
The MyQ application is a free application available for Android and Apple with no annual fees.