These MB800 series digital clocks are designed for Beechcraft King Air aircraft to mount into the yoke and built to keep working in the toughest conditions. Davtron's two-button design is designed for easy operation to keep pilots focused on flying. These clocks display universal time, local time, and elapsed time: advanced models add a flight time channel to use for fuel timing. The sunlight readable display is available in either LCD or incandescent. This MB800 digital clock (EDMO# 800B-U-NVG) operates 12V–30V and has 5V NVIS Green A lighting, a TCS & MAP switch, and colored black.