Liftmaster 83LM for use on the following Sears/Craftsman garage door operator model numbers 139.53225,139.53225SR,139.53225SRT,139.53325,139.53325SRT,139.53335SRT1,139.53425,139.53425SRT,139.53479,139.53491,139.53525,139.53525SRT,139.536141SR,139.536151SR,139.536181SR,139.536191SR,139.536251SR,139.536261,139.536261SR,139.53627,139.536271SR,139.53628,139.53628SRT,139.53629,139.53629SRT,139.53635,139.53635SRT,139.53636,139.53636SRT,139.53637,139.53637SRT,139.53638SRT,139.53640,139.53640SRT,139.53641,139.53641SRT,139.53645,139.53645SRT1,139.53645SRT3,139.53646,139.53646SRT1,139.53646SRT2,139.53648,139.53648SRT1,139.53648SRT2,139.53650,139.53650SRT,139.53660,139.53660SRT,139.53660SRT1,139.53669,139.53669SRT,139.53678,139.53678SRT,139.53779,139.53800,139.53800SRT,139.53824,139.53824SRT,139.53834,139.53834SRT1,139.53834SRT3,139.53859,139.53879,139.53915SRT,139.53927SRT,139.53960SRT,139.5397,139.53970SRT,139.53971,139.53971SRT,139.53973,139.53973SRT,
Liftmaster three button remote, 390mhz