Some of the smallest portable alarm clock ever manufactured are the Timex alarm clocks. A tiny light, switched on by the touch of your hand to the top of the clock, illuminates the battery alarm clock face for easy, quick check on the time in total darkness.

Also available are some travel alarm clocks with security. Basic security are motion detection for hotel doors, a flashlight, a siren to warn others of your peril and a serviceable travel alarm clock that detaches from the battery alarm clock /flashlight.