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Glow note is a self-contained base on glow sticks. It consists of a translucent plastic tube containing isolated substances that, when combined, make light through chemiluminescence, so it does not require an external energy source.The notes can be glued on the tree or any kind of stuff to become a mark to tracing or asking for help.Glow notes are often used for outdoor expeditions, and may also be relied upon for marks during traffic accident , police, fire, or EMS operations.