Liftmaster 811LM remote control.,Universal DIP Single-Button Remote Control.,Encrypted DIP style single-button remote control.,Features Security+ 2.0 technology.,Ideal for applications such as gated communities or commercial applications requiring a large number of remotes for a common entrance. *** Please note: Compatible only with Security+ 2.0 commercial receivers and operators, NOTE: Does not work with residential garage door openers like 8360 and 8550.Sentex 811LM