The Fuel Scan¿450 fuel management system is the finest fuel monitoring instrument available for piston engines. TSO'd for accuracy the Fuel Scan¿450 acts as your personal flight engineer: always there, working in the background, constantly monitoring you fuel consumption while you concentrate on flying the aircraft. The JPI Fuel Scan¿450 features a dual display, always showing your fuel flow rates on the upper display and other measurements on the bottom. The scan rate to display these measurements can be adjusted at a user selectable rate. Every Fuel Scan¿450 will interface with your panel mount or hand-held GPS. There are no extra options to purchase.