NanoLite: Worlds Smallest Key Light (4 Pack)

Worlds Smallest Key Light. Night Vision RED light to enhance vision in the dark. (White lite ruins your night vision). Long-Life LITHIUM Battery (not replaceable) will outlast many sets of Alkaline batteries, No tools or assembly required. Just pull off the adhesive backing paper and stick it on any clean key or surface. It's that easy! The advanced 3M VHB adhesive sticks to almost any plastic or metal surface. At night when seconds count....don't fumble for a traditional flashlight, count on NanoLite.