Travel alarm clocks vary considerably in features and looks, ... with a vintage aesthetic. Standard features to look out for include lightness, reliability, and the option to run off a battery ...

For sports enthusiasts, Olympia Limited Edition Mini Marathon Alarm Clock is a unique alarm clock ... and dial light Makes for a perfect travel alarm as it travels easy and because of the unique ...

So while a travel alarm clock may feel like an ancient artefact ... This device is powered by one AAA battery with a 10-second illumination if you want to check it in the middle of the night ...