100% brand-. With 395-400NM wavelength 21 LEDs, poweful ray. Made of aluminum alloy , waterproof and shockproof. Perfect for outside use such as hunting scorpions and minerals. Requires 3pcs AAA Battery (Not Included) The application is wide, security control, rodent contamination, hotel room inspection, Application: Medical equipment, sterilization, ink curing, metal cracks, crack detection, Photocatalyst light source, counterfeit currency detection equipment, security industry, medical measurement and biometric safety testing, hydraulic leak detection, arresting scorpions, checking ticket, QQ nail art , animal urine, etc. Charging method: non-rechargeable, use dry batteries Use battery: 3*AAA LED life: 100000 hours Light source: 21 F5 violet LED Light color or wavelength: 395-410UV violet Waterproof rating: ordinary rain water, can not be used for diving Color: Black Material: Aluminum Alloy Product Size: 96*36*27MM Product weight: 80g Specifications: Small and light weight, Take it easily when you go out， Easy and convenient to use it， Original threading facial hair remover, no pain， Removes hair root for long lasting hair-free complexion， Suitable for removing hairs on forehead, cheeks and chin etc. Package Included: 1*Flashlight (battery not included) Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings