INOVA MicroLight LED flashlights are the best selling key chain-type flashlight safety in US history. This tiny key chain, back pack, or belt loop, zipper, carabineer, or flight suit attachable flashlight measures only 2.3cm x 1.7cm, yet it projects a brilliant flood of light over an Effective Range of 8m-11m, and the INOVA MicroLight doubles as a trustworthy safety light because its beam is visible over one mile away at dusk or dark!