The M850 digital clock chronometer has a two-button control system, setting operations are identical for both alarm and time setting. The universal time is in a 24 hour format, while local time can be set to 12 or 24 hour format. The incandescent high-contrast display is readable in bright sunlight.Version 850A-28V-NVG has green A night vision compatible incandescent 28V lighting, gray faceplate, and N size alkaline battery memory. This is a 2-1/4 inch front panel mount instrument.
