Raymarine T70155 Pilo Ev-200 A/P with P70 No Drive Precision monitoring of heading, pitch, roll, and yaw allowing the Autopilot to Evolve Instantly as Sea conditions and vessel dynamics change Flexible installation options. Mount above or below deck Simple sea talk-ng connectivity to the control head and ACU Solid state sensor technology delivers dynamic accuracy to within 2 degrees in all conditions Auto-compensation for on board magnetic fields and reliable heading accuracy in the Northern and Southern extremes