ITEM NAME:Stainless Steel Rudder Angle Indicator Gauge Sensor For Marine Boat 0-190 O E2K5 Stainless Steel Rudder Angle Indicator Gauge Sensor For Marine Boat 0-190 O E2K5 Volt: 12V/24V Resistance: 0-190 Ohms. Rudder sensor is usually installed on the sternward rudder hore to collect signals by wire resistor. Color:white Material:Plastic + stainless steel Size:14*7.5cm Package Contents: 1*Rudder Angle Indicator.Rudder sensor is usually installed on the sternward rudder hore to collect signals by wire resistor. 1 Rudder Angle Indicator. Material:Plastic + stainless steel. Size:14 7.5cm.