Garmin Reactor 40 Hydraulic Autopilot w/o GHC Corepack. This autopilot system is highly responsive to changing course and wind speed and minimizes heading error power consumption rudder movement and course error. The Garmin Reactor 40 Autopilot System minimizes heading error power consumption rudder movement and power consumption while providing a comfortable ride for all on board. The innovative Reactor 40 technology is built into this autopilot system and it constantly reacts to changing course and wind speed providing the most accurate and responsive autopilot system on the water. With this system installed you can hold your course with heading hold wind hold tack/jibe step turns and more. You can mount the system just about anywhere on your boat in almost any orientation and it will work with almost any steering system. For more information on Garmin Reactor 40 Autopilots please see Garmin Reactor 40 Hydraulic Autopilot with no GHC. Features of Garmin Reactor 40 Hydraulic Autopilot w/o GHC Unit dimensions WxHxD: 4.3 " x 4.4 " x 1.9 " (10.9 x 11.2 x 4.8 cm) NMEA output: NMEA 2000 Supply voltage: 10V to 20V Operating temperature: -15 C to 70 C (5 F to 158 F) Package Contents: Garmin Reactor 40 Hydraulic Autopilot w/o GHC Reactor 40 CCU (Course Computer Unit) ECU (Electronic Control Unit) ECU power cable Interconnect cable Shadow Drive Buzzer NMEA 2000 drop cables (2 meters) NMEA 2000 power cable NMEA 2000 T-connectors Male and female terminators Documentation Garmin 010-00705-21: Reactor 40 Hydraulic Autopilot w/o GHC Corepack