garage doors
liftmaster 412hm receiver garage door 390mhz
garage door receiver for residential commercial door 390 mhz accepts up to 12 transmitters br b features b ul li for use with mfr . no. 974lm 971lm li li operating range 100 ft li li item receiver li li hz 390 mhz li li includes li li max . amps li li type li li volts range max . ac li li nema rating li li response time ms li li sensing range ft. li li voltage li li standards li li operates on li li receiver size in . li li transmitter li ul