Nite Ize INOVA 6 lm White LED Micro Light CR2016 Battery

Powered by 2-2016 lithium coin cell batteries, the radiant microlight is an ingenious micro LED flashlight, with a surprisingly powerful performance-it has an effective range of up to a 50-feet and one-mile signal visibility. The microlight also features four lighting functions and a water-and-crush-resistant body, plus a stainless-steel universal clip that attaches easily to keys, zippers, purses, backpacks, military gear and any number of convenient locations.