21 LED UV Flashlight with Violet Light - Aluminium Alloy Body - 395-400nm Wavelength - for Detection, Curing, and Verification - Silver
21 LED UV Flashlight with Violet Light for Detection and Verification

This rechargeable-free UV flashlight provides genuine ultraviolet light at 395-400 nm wavelength, using 21 violet LEDs. Unlike many models that rely on cheap blue LED chips, this unit delivers true UV output suitable for professional tasks such as crack detection, ink curing, and counterfeit verification. The aluminium alloy body keeps the flashlight lightweight at 105-115 g, and the tail-click switch offers simple on/off control. Measuring 95 mm in length and 35 mm in diameter, it fits easily in a pocket or tool kit.
Features and Construction

The flashlight is built around a 21-LED array that produces a narrow-spectrum violet light in the UV range. Its construction uses materials chosen for practical durability and portability.
Material and Build
The housing is made from aluminium alloy, which provides a sturdy yet lightweight feel (105-115 g). The tail-click switch is straightforward to operate, with two positions: on and off.
Size and Practical Fit
The flashlight measures 95 mm in length and 35 mm in diameter, making it compact enough for handheld use or storage in a small bag. It operates on three AAA batteries (not included).
Uses and Placement

This UV light is suited to a range of professional and personal applications where a specific ultraviolet wavelength is needed. The source text lists over 15 possible use cases.
Detection and Verification
Use the flashlight for detecting counterfeit currency, passports, credit cards, and identity documents. It is also effective for animal urine detection, scorpion hunting, and checking phosphor powders or phosphor media.
Industrial and Medical Tasks
Applications include medical device inspection, disinfection and sterilization, ink curing, metal crack detection, photocatalyst activation, hydraulic leak checking, and medical measurements with biometric safety examination.
Benefits and Buying Value

The flashlight’s main advantage is its genuine UV wavelength. Many competing products use blue LEDs that do not achieve the same effect, making this unit more reliable for sensitive tasks.
Quality Assurance
The product is manufactured in strict accordance with European and USA standards. The UV wavelength is tested to ensure 100% quality compliance, reducing the risk of ineffective UV output.
Versatility
From checking jade and jewellery authenticity to examining children’s toys, books, clothes, or cosmetics, the flashlight covers a broad range of verification and detection needs without needing multiple tools.


