Sears Liftmaster Chamberlain 81LM Comp Visor Garage remote green learn button ONLY IF THE GARAGE DOOR UNIT IS MADE IN 1993 TO 1997 Compatibility 81LM REPLACEMENT REMOTE compatible with LiftMaster and Chamberlain 390Mhz billion code systems. GREEN LED LEARN LIGHT ONLY on the back of the motor.CharcoalOne buttonProgrammableVisor Clip 390 MHzA23 12V Battery 390 MHZ Freq, compatible with Liftmaster Sears Chamberlain Craftsman operators manufactured from 1993-1997 GREEN SMART/LEARN BUTTON TECHNOLOGY SEARS CRAFTSMAN COMPATIBLE REMOTES: 139.53225, 139.53225SR, 139.53225SRT, 139.53325, 139.53325SRT, 139.53335SRT1, 139.53425, 139.53425SRT, 139.53479, 139.53491, 139.53525, 139.53525SRT, 139.53525SRT1, 139.536141SR, 139.536151SR, 139.536181SR, 139.536191SR, 139.536251SR, 139.53626, 139.536261, 139.536261SR, 139.53627, 139.53627SRT, 139.536271SR, 139.53628, 139.53628SRT, 139.53629, 139.53629SRT, 139.53635. 139.53635SRT, 139.53636, 139.53636SRT, 139.53637, 139.53637SRT, 139.53638SRT, 139.5364, 139.53640SRT, 139.53641, 139.53641SRT, 139.53644SRT, 139.53645, 139.53645SRT1, 139.53645SRT3, 139.53646, 139.53646SRT1, 139.53646SRT2, 139.53648, 139.53648SRT1, 139.53648SRT2, 139.5365, 139.53650SRT, 139.5366, 139.53660SRT, 139.53660SRT1, 139.53669, 139.53669SRT, 139.53678, 139.53678SRT, 139.53755, 139.538, 139.53800SRT, 139.53824, 139.53824SRT, 139.53834, 139.53834SRT1, 139.53834SRT3, 139.53855, 139.53915SRT, 139.53927SRT, 139.53960SRT, 139.5397, 139.53970SRT, 139.53971, 139.53971SRT, 139.53973, 139.53973SRT, 139.53779, and 139.53879. CRAFTSMAN OPERATORS: 53225, 53225SR, 53225SRT, 53325, 53325SRT, 53335SRT1, 53425, 53425SRT, 53479, 53491, 53525, 53525SRT, 536141SR, 536151SR, 536181SR, 536191SR, 536251SR, 536261, 536261SR, 53627, 536271SR, 53628, 53628SRT, 53629, 53629SRT, 53635, 53635SRT, 53636, 53636SRT, 53637, 53637SRT, 53638SRT, 53640, 53640SRT, 53641, 53641SRT, 53645, 53645SRT1, 53645SRT3, 53646, 53646SRT1, 53646SRT2, 53648, 53648SRT153648SRT2, 53650, 53650SRT,53660, 53660SRT, 53660SRT1, 53669, 53669SRT, 53678, 53678SRT, 53779, 53800, 53800SRT, 53824, 53824SRT, 53834, 53834SRT1, 53834SRT3, 53859, 53879, 53915SRT, 53927SRT, 53960SRT, 5397, 53970SRT, 53970, 53971, 53971SRT, 53973, 53973SRTCHAMBERLAIN/LIFTMASTER OPERATORS: ATS211 , CSO, 100SD, 215WD, 220WD, 315WD, 320WD, 710WHC, 711WHC, 1100, 1240, 1245, 1245GMR , 1245LK , 1246 , 1250 , 1255 , 1256 , 1260 , 1260LK , 1270 , 1280 , 2000SD , 2100, 3000 , 4100 , 4600 , 5100 , 7200 , 8100, 8100M CHAMBERLAIN COMPATIBLE REMOTES: 850CB, 853CB, and 856CBLIFTMASTER COMPATIBLE REMOTES: 81LM, 82LM, 83LM, and 84LM.