21-LED UV Ultraviolet Blacklight Flashlight, Aluminum Body
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Prices updated: 13 Oct 2026
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About this product
A compact UV (ultraviolet) flashlight with 21 LEDs in an aluminum body. It makes fluorescent materials visible, which is useful for checking UV-reactive security inks on banknotes and ID documents or for spotting fluorescent dyes and stains. The listing describes a water-resistant design for outdoor use.
Specifications
- LED count
- 21
- Light type
- UV (ultraviolet)
- Body material
- Aluminum
- Water resistance
- Water-resistant design (per listing)
Frequently asked questions
What is a UV flashlight used for?
It excites fluorescent materials so they glow. Common uses include checking UV-reactive security inks on banknotes and ID cards, finding fluorescent dyes, and inspecting stains or residues that fluoresce.
Is it safe to look at or shine on skin?
UV LEDs emit ultraviolet light. Avoid shining it directly into the eyes or onto skin for long periods, and use eye protection when inspecting.
