M811B Digital Clock | Flight Time Recorder, Elapsed Time Meter | Night Vision Compatible with KW515-4F Displays (Green A) 307FCI-GRN Bird Low Power elements are

Bird Low Power elements are calibrated in accordance with meticulous Bird calibration procedures supported by a long history of mean deviation values to assure adherence to advertised specifications of current instruments

charger and desulfator lead-acid batteries

When an ELT ishooked up to a programming dongle

and stopwatch

M811B Digital Clock | Flight Time Recorder, Elapsed Time Meter | Night Vision Compatible with KW515-4F Displays (Green A) 307FCI-GRN Bird Low Power elements areThe 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