LiftMaster K74-502181 (Elite Q407) Motor Harness 1Hp lm-sl585ul Dual-gate capable ECU built to Choose Size:6'x14' Loop w/100' Lead Wire (EL40-100) 9409-010 Wireless Network Capability Eliminates keypad

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

The GBX-300 is the correct OEM gearbox replacement for maintaining proper drive performance on compatible SW300 swing gate operators

as well as Security+® 315 MHz and Security+® 390 MHz systems

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

LiftMaster K74 502181 (Elite Q407) Motor Harness 1Hp lm sl585ul Dual gate capable ECU built to Choose Size:6'x14' Loop w 100' Lead Wire (EL40 100) 9409 010 Wireless Network Capability Eliminates keypad Dual gate capable ECU built to run two motors in tandem (primary board plus secondary module required) The GBX 300 is the correct OEM gearbox replacement for maintaining proper drive performance on compatible SW300 swing gate operators