Craftsman Garage Door Opener Remote Control Transmitter for Green 1 Button Part 139.53970SRT 139.5397 139.53971SRT 139.53971 139.53973SRT 139.53973 139.53879 K1026 HBW1136 LiftMaster 81LM 82LM 83LM
- Compatible with LiftMaster 81LM 82LM 83LM . Works on LiftMaster Chamberlain Sears Craftsman Machines that have a GREEN Smart Button manufactured between 1993-1997.
- SEARS, CHAMBERLAIN 41A4315-7B 41A4252-7G 41D4674-3C 41D4674-1G 41D4374-9C 41A4315-6B 41A4315-6D 41A4252-6G 41A4315-5 414252-12 41A4315-6C 41A4315-7E, LIFTMASTER 1240 1245 1246 1250 1255 1256 1260 1270 1280 800AD 1200AD 1245GM 1255GM 1000SD 2000SD.
- Also compatible with wireless keypad model number 66LM (Chamberlain 850CB, 853CB, 856CB).
- this item only work for the units with green learn button , if the are made for the same units , but the units have a green learn button is only the units made in 1993 to 1998.
- 390 MHZ Frequency, compatible with operators manufactured between 1993-1997 1 channel transmitter, compatible with the “Billion Code” series.