Revolutionary new accessory with built-in myQ technology that connects to the internet and allows monitoring and operating of your garage door opener from your home, office or anywhere in the world by using your smartphone app or computer. It utilizes a two-way communications system. The 828EV is easy and fast to install... it simply pairs-up with your home router. No annual activation fees apply. Simply plug and use' 

The LiftMaster 828EV is compatible with the following LiftMaster Evolution products - LM60EV, LM80EV and LM100EV