A great addition to any emergency kit, the Life Gear glow stick with whistle fits easily in a glove compartment or backpack. LED glow stick runs up to 200 hrs. on 3 AG-13 batteries (included); glow stick features an emergency flasher mode. Located on the back end of the stick is a standard white LED for use as a flashlight. Remove the cap on the tip of the glow stick to reveal a whistle that will certainly get everyone's attention.