This lightstick (chemical light) is only visible with a UV flashlight or night vision binoculars that "see" ultraviolet radiation. To the naked eye, this lightstick does not illuminate.

You can mark your items in the dark, for fishing, in emergencies, at parties, or just to play at camp and create fantastic treasure hunts.

Features:

• Waterproof.
• Glows quite brightly for the first half hour.
• Glows normally for 2-3 hours.
• The light becomes dimmer for the next 5-6 hours.
• Store in a closed and dark place.
• Shelf life: approximately 1 year.