The LiftMaster Garage Door Opener 33LM 3-Button Open/Close/Stop Remote Control at 390MHz works with other devices using 390MHz. The 33LM has an easy code selection, 9-position trinary and 19,683 changeable codes for each channel. A 12 volt battery and directional visor clip are included with the remote. Get more information at North Shore Commercial Door where our staff will answer your questions or concerns.
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QUESTION: I ordered <br />Liftmaster Garage Door 33LM 2 23.70<br />opener 33LM 3-Button<br />Open/Close/Stop Remote<br />Control 390Mhz<br /><br />for a model T7511L4 E79930 Ser. # 0812N6296<br /><br />After recieving them i cannot get them to program? Any suggestions. by Mark H 1/20/2014
STAFF ANSWER: Make sure you are programming it to the correct receiver. Also make sure you ordered the correct frequency. 390 vs 315 mhz by Matthew O a