Raymarine's EV-DBW is an advanced, digital autopilot designed for boats with drive-by-wire electronic steering. The Raymarine autopilot kit includes the EV-2 sensor core, which is an intelligent 9-axis heading sensor that uses aerospace guidance technology to adapt and evolve to changing sea conditions and vessel dynamics. 

Key Features:

Requires no complicated setup or autopilot calibration.
SeaTalkNG/NMEA2000 for networking with instruments and chartplotters.
Suitable for vessels with drive-by-wire digital steering.

Kit Includes:

P70Rs autopilot control head.
Rotary autopilot controller.
EV-2 sensor core.
Evolution cabling kit.

Technical Specifications:

Physical:
Dimensions: Diameter: 140mm, Depth (including mounting enclosure): 35mm, Depth (including wall bracket): 95mm.
Sensors: 3-axis digital accelerometer, 3-axis digital compass, 3-axis gyro digital angular rate sensor.
Weight: 0.29kg.

Power:
Nominal Supply Voltage: 12V dc.
Operating Voltage Range: 10.8V dc to 15.6V dc.
Power Consumption: 30mA.
LEN (NMEA 2000 Load Equivalency Number): 1.

Environmental:
Relative humidity: Max. 93%.
Waterproof Rating: IPx6.
Storage Temperature: -30C to +70C.
Operating Temperature: -20C to +55C.