Enjoy! #FF-This hashtag mostly shows up on Fridays, which should give you a good indication of what one of the Fs means. The other stands for Follow, and the two combine to make the phrase Follow Friday.. Follow Friday is essentially a Twitter holiday with the aim of getting people to follow one another.
Technical. Original manufacturers part,390 Mhz frequency, 9-volt battery operated, part number 976LM a 977LM keypad is substituted per the manufacturers change, Color: Grey Works with all Liftmaster, Sears and Chamberlain garage door openers, utilizing the 390 Mhz frequency.echnical. Original manufacturers part,390 Mhz frequency, 9-volt battery operated, part number 976LM a 977LM keypad is substituted per the manufacturers change, Color: Grey Works with all Liftmaster, Sears and Chamberlain garage door openers, utilizing the 390 Mhz frequency.
Sears Craftsman 139.53680 Remote is Equivalent to the 970LM. This Liftmaster 970LM keychain remote is equivalent to the Sears Craftsman 139 model number listed above. The back of your garage door opener motor should have a SMART button that lights up an Orange/Amber Color LED Light to code the remote.or older models that have been discontinued the solution is to use the Liftmaster 355LM receiver conversion kit. The 355LM is available and will work with ANY Sears or Craftsman garage door opener. The kit includes the 85lm with the receiver to generate the power needed for the new receiver.