LiftMaster K74-502181 (Elite Q407) Motor Harness 1Hp lm-sl585ul Microprocessor control board with programmable 9402-080 hydraulic-fluid Select Model:14 ft Standard minimizing downtime for commercial

Microprocessor control board with programmable run and delay timers

This postal lock interface allows authorized postal access to secured entry points

A: The included AA lithium batteries provide up to two years of reliable operation

Dual-gate capable ECU built to run two motors in tandem (primary board plus secondary module required)

LiftMaster K74 502181 (Elite Q407) Motor Harness 1Hp lm sl585ul Microprocessor control board with programmable 9402 080 hydraulic fluid Select Model:14 ft Standard minimizing downtime for commercial Microprocessor control board with programmable run and delay timers This postal lock interface allows authorized postal access to secured entry points