FORZO EnduraTimer Chronograph Watch | Light Blue Dial | Geckota
TTArtisan Light Meter with Two Dial to Adjust ISO Aperture and Shutter Speed for Older Leicas/Photography Rangefinder Cameras|Photo Studio Accessories| - AliExpress
Staying at a hotel. This is the bathroom switch. The switch is for the fan and the dial is for the light. Quick showers or you're stuck in the dark. : r/CrappyDesign