Princeton Tec Impulse

10 lm, Ultrabright LED, IPX4, 48h, 14g Impulse is the ultimate personal multi-task light available and it is UL® Class 1, Division 2 approved! Don’t let its size fool you – the tiny Impulse is jam-packed with big features! Powered by 2 lithium coin cells, the Ultrabright LED burns up to 36 hours and has 3 modes, including high and low beam, plus blinking mode. With its quick release, detachable clip, hat clip option, and a range of translucent colors to choose from, you’ll want one for every keychain, backpack, ball cap and book bag in the house!