1、365 NM ultraviolet light black filter lens, filter out unwanted light, make uv more pure. 2、Use for money detection, UV filter lens, ultraviolet fluorescence detection light, Jewelry, chrysophoron, and beeswax detecting. 3、LED light, good brightness, energy saving, long service time. 4、Lightweight and portable, easy to carry and use. 5、With lanyard, not easy to fall or lose. Item type: Ultraviolet Light Flashlight Condition: 100% brand new Material: aluminium alloy Weight: Approx. 63g Color: black Light source: 5W 365 NM UV LED high power chip Accessories material: copper circuit compartment, aluminum alloy body, aluminum reflective cup Drive circuit: Constant current 7135 (single gear) Power: 5W Ultraviolet power: about 1000MW Wavelength: 365 NM Battery: 1 x 18650 battery (not included) Widely used in fluorescent anti-counterfeiting industry: 01. High-grade tobacco and alcohol anti-counterfeiting industry. 02. The stamp collection and identification industry. 03. The identification of chrysophoron industry. 04. Appraisal of curios collection. 05. The anti-counterfeiting bill certificate industry. 06. Fluorescent seal ink industry. 07. Global currency anti-counterfeiting industry. 08. The industry of tissue paper fluorescence detection. 09. Fluorescence fiber inspection industry. 10. Dust, fiber and other industries. 1 x Flashlight 1 x Lanyard