Cyalume is the go to name in single use tactical lighting. whether you're going to a rave or going down range these will stand the pressures of a long night.
Available in most colors; you can use them for personal identification, IFF situations and just marking cautions in an area.
Blue 8 Hour NSN 6260-01-178-5560
White 30 Minute NSN 6260-01-247-0368
Red 12 Hour NSN 6260-01-178-5559