The black Impulse Flashlight Carabiner Mini Light from Princeton Tec is a personal multi-task light powered by 2 lithium coin cells. The bright LED burns up to 36 hours and has 3 modes: low, high and flash. With its quick release clip, hat clip, you might use one for each of your keychains and backpack. The light is UL Class 1, Division 2 approved.
UPC: 795626007679