Description: The flashlight is a UV UV flashlight, perfect for storing in a backpack, car or tool box. Great for checking banknotes, credit cards, fluorescent inks (invisible), broken glass. Functions: UV UV torch. Easy to use and operate: just press the ON / OFF button. Perfect for storing in a backpack, car or tool box. Different wavelengths, the use of detection is different. 365nm shorter than 395nm, the shorter it is, the stronger the penetration. Great for checking banknotes, credit cards, fluorescent inks (invisible), broken glass. Suitable for home, hiking, camping, travel, hunting and other outdoor activities. Specification: Material: aluminum alloy Light source: LED Wavelength: 365nm 365nm: for amber, jade, foreign currency, special ink security labels Power supply: AA dry batteries or 14500 batteries (without batteries) Size: 9.7 x 3 cm / 3.82 x 1.18 inch (appr.) Packaged Included: 1 x flashlight (without battery)