LiftMaster 61LM Garage Door Remote
Brand: LiftMaster
Color: Black
This 61lm lift master remote uses 9 trinary dip switches to set the code
390 MHZ Frequency, works on models from 1984-1992
Also compatible with wireless keypad model number 66LM (same as model 740CB, 139.53776, 139.53876)
12V battery and visor clip included