Product Description
Universal wireless keyless entry features include: Slide-up weather proof cover, 9volt battery (included), simple programming and installation
Manufacturer & Frequency Compatibility:
- Chamberlain/LiftMaster/Sears Craftsman 390 frequency Rolling Code
 - Chamberlain/LiftMaster/Sears Craftsman 315 frequency Rolling Code
 - Chamberlain/LiftMaster/Sears Craftsman 390 frequency Billion Code
 - Chamberlain/LiftMaster/Sears Craftsman 390 frequency Dip Switch (7, 8 and positions)
 - Genie 390 MHz Dip Switch (9 and 12 position)
 - Linear 300 frequency Multicode
 - Linear 318 frequency Megacode
 - Moore-O-Matic 310 frequency Dip Switch (8 positions)
 - Stanley 310 frequency Rolling Code (Secure Code)
 - Stanley 310 frequency Dip Switch (10 positions)
 - Wayne-Dalton
 - Master Mechanic/Do It 390 frequency Rolling Code
 - Master Mechanic/Do It 315 frequency Rolling Code
 - Master Mechanic/Do It 390 frequency Billion Code
 - Master Mechanic/Do It 390 frequency Dip Switch (7, 8 and positions)
 
Part # 387LM, 387-LM, 387, 012381073870
Other model numbers
377LM, 977LM, 66LM
Product Videos
Product Reviews
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easy install, easy to use
Had no problems installing. The cover does have a tendency to come all the way off when pushed up, so I nailed some stops to prevent that. I also covered the * key to prevent accidentally pushing it- the device accepts a code change if you push that button.