Emits steady glow for 12 Hours. Glow stick is waterproof, do not use batteries. Great for emergencies, Halloween, raves, parties, camping, etc. They are used as light sources and light markers by military forces, campers, and recreational divers doing night diving. Yellow cyalume 6 inch lightstick. Length: 6" (inches).

NSN: 6260-01-196-0136 (6" yellow 12 hours)