3-3/8" (85MM) ViewLine Rudder Angle Indicator -45°/+45° - 8 to 32V - Black Dial & BezelThe ViewLine rudder angle instrument for wheel-controlled yachts and pleasure boats displays the current rudder position at all times. This indicator makes it easier to navigate out of harbors or through locks.  Only rudder instruments of the same diameter can be combined.Specifications:8 and 14 pole Tyco / Hirschmann bush housing Operating voltage 8 – 32 VAccuracy +/- 2.5 % of full scale readingAnti-fog double lensProtection rating front IP67, rear IP5285 mm installation diameter50 mm installation depth Operating temperature range -20 °C / +70 °CReverse polarity protection