With its multiple lighting options and integrated safety whistle, the LifeGear GLOW Stick is perfect for any adventure, from hiking and camping to slumber parties and trick or treating. Four lighting options: LED flashlight, glow mode with LED flashlight, glow mode, and flasher mode. Provides up to 200 hours of light in flasher mode. Automatically turns off after an hour to conserve power. Integrated whistle for emergencies. Easy, one handed operation. Long lasting, reusable, chemical free, and non toxic. Runs on 3 button cell batteries included. 7.5 in. 19 cm tall.