Time-O-Lite Timer GR-90

hi everyone so I wanted to take an opportunity to look at three different very similar but different darkroom timers and talk a little bit about basic darker and timer functionality and I picked these three they're all the same brand so they have a similar layout you can see two of them here are a little bit newer than this older retro one or maybe vice versa I'm honestly not sure to whom have a different body style at any rate and they each have a different level of features and different capabilities so what I'm going to do is I'm going to show you then I'm going to start with the most basic and then go to the most advanced and show you the difference in them fundamentally they function the same way so this one here this first one is a time Olight all three of these are time a light brands this is a gr 72 for the model number it's really basic and you can see it's got this luminescent