Chemlights provide reliable light with no batteries, switches, or electronics, a fail-safe illumination and marking source for field use. Because nothing about a chemlight can fail to activate, they serve as marking, signaling, and area lighting where reliability matters and no power source is available. Military personnel, law enforcement, and outdoor users keep chemlights in their kit as a backup that works when powered lights don't.

Here you'll find chemical light sticks in a range of colors and durations from established brands, in standard and high-intensity formats.

Chemlights earn their place through simplicity. Snapping one activates a chemical reaction that produces light for a set duration, with no batteries to die or switch to break, which makes them ideal for marking positions, signaling, and providing area light that won't fail in cold or wet. Color coding serves practical roles, marking routes, personnel, or hazards by color, and duration varies by type, from short high-intensity sticks to long-burning markers. They tolerate any storage condition and have a long shelf life, which makes them a stock-and-forget item in a kit. Their single-use nature is the tradeoff, so carry enough for the task, but as a no-fail backup to powered lighting they're hard to beat.

Pair chemlights with powered tactical lights, and compare the broader emergency selection in survival lights and chemlights.