Accurately monitor true engine running hours and know ahead of time when an engine is due for a regular maintenance interval. Plug-N-Play Setup. Install in just a few minutes on any Mercury SmartCraft-capable engine: outboards and stern drives, 2004 and newer, 40hp and up.
https://www.amazon.com/Mercury-Marine-VesselView-Mobile-Connected/dp/B01MTGBKPQ

