Liftmaster 312HM Coaxial Radio Receiver HySecurity Accessories Alarm system shunt relay

Alarm system shunt relay

Circuit Board for LA500

Indicators - Separate Power and Detect LED’s

It is able to operate your gate and garage door or two independent garage doors with 1

Liftmaster 312HM Coaxial Radio Receiver HySecurity Accessories Alarm system shunt relayLiftmaster 312HM Coaxial Radio Receiver 12 24Volt AC DC. Compatible with 371LM Remote Controls External 8' whip antenna included. Enhanced Radio TechnologyTM rolling code and or DIP switch compatibility 12 volt DC or 18 35 volts AC DC jumper selectable Momentary or constant contact, jumper selection Two piece aluminum case with detachable cover High security memory stores up to 18 Enhanced Radio Technology remote controls or keyless entry codes Normal