M811B Digital Clock | Flight Time Recorder, Elapsed Time Meter | Night Vision Compatible with KW515-4F Displays (Green A) 000020-002 The "rough service" fluorescent bulbs

The "rough service" fluorescent bulbs offer extra bright light with lightweight design

This 50-watt

Meets many application demands with styles available in straight and right angle configurations

AC adapter

M811B Digital Clock | Flight Time Recorder, Elapsed Time Meter | Night Vision Compatible with KW515-4F Displays (Green A) 000020-002 The "rough service" fluorescent bulbsThe M811B Digital Clock is a multi functional chronometer designed to operate under the most stringent operating conditions. It features three independent 6 digit solid state timing circuits: time, flight time, and elapsed time which can be controlled by the pilot. The incandescent display is readable in sunlight. Version 811B 1 has the ability to adjust local time to 12 hour or 24 hour setting. This model features night vision capability with KW515