Leica -Meter MC Selenium Light Meter Analogue camera

This is a Leica-Meter MC hot-shoe selenium light meter manufactured by Metrawatt A.G. Nürnberg for Leica
Chrome shell, ASA/DIN dial and pointer window on the front, honeycomb pattern selenium photovoltaic cell window on the side; "Made in Germany" printed on the back cover, with hot shoe socket on the bottom. Selenium photovoltaic driver, no batteries required.
The actual measured selenium photometry readings are basically consistent with the digital photometry, and the two-level sensitivity adjustment is normal; other functions have not been tested. Case has normal use wear and tear.