1、Suitable for all kinds of rudder sensors, and display the direction of the underway marine. 2、Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration. 3、IP67 waterproof and dustproof grade, which can adapt to harsh environment. 4、Stepper motors used for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc. 5、With curved glass, features anti-fogging function. 6、With ultra-wide working voltage, 9-32V long-term operating voltage, maximum up to 36V (≤ 1 min). 1 x Boat Rudder Angle Meter1 x Connect Cable1 x Manual Condition: 100% Brand NewItem Type: Boat Rudder Angle IndicatorMaterial: Stainless steel + nickel-plated plasticColor: As picture shownOPtional Type: Black Dial Silver Cover, Black Dial Black Cover, White Dial Silver CoverFixing Size: Approx. 52mm(2in)Indicating Range: LRSignal: 0-190ohmWorking Voltage: 9-32V(12v/24v)Backlight: RedOperation Mode: LCD Display, Stepper Motor