Check the listing for details. Sears Liftmaster Chamberlain 81LM Garage remote / green smart button. Color: Black, Condition: New. Listed at 15.75 USD. Sears Liftmaster Chamberlain 81LM Garage remote / green smart 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.Black One buttonProgrammableVisor Clip 390 MHzCR2032 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.