Sierra Tachometer/Hourmeter w/Sensor Wire For 2/4 Stroke 18-56969P | S2 flojet Will fit all Perko Chromalex

Will fit all Perko Chromalex fills

Has three positions: automatic

radar arch

Terminal Screw #10-32

you know you have power to the boat

Sierra Tachometer/Hourmeter w/Sensor Wire For 2/4 Stroke 18-56969P | S2 flojet Will fit all Perko ChromalexSierra Tachometer Hourmeter w Sensor Wire #18 56969P For any gasoline motor up to 2 cylinder. Displays RPM up to 9000. Allows hour monitoring for even the smallest outboard motors. Great for 2 or 4 stroke. Displays RPM when running total hours when off. Features: No power or ground required Water and shock proof Automatically turns on and off with the engine Displays up to 9999 hours 10 year internal battery lifetime