365nm ultraviolet light is invisible to the naked eye, so it is not as bright as a 395nm flashlight, but it is more suitable for detecting high demands such as fluorescent agents and anti-counterfeiting codes. Warm Reminder: Please clarify your requirement before placing an order. Professional grade ultraviolet flashlight mineral produces ultraviolet rays with a wavelength of 365nm. This is a truly dedicated detection spectrum, which can be used in natural light and works best in the dark where there is almost no visible light leakage. Zoom in / rear to adjust the appropriate light range. Enlarge the beam to surround the suspect area and reduce the beam to mark the urine of the animal. The body is made of sturdy, sturdy and durable aluminum alloy. 365nm Mini Flashlight Portable black light flashlight for finding minerals, scorpions and bed bugs, check documents, counterfeit / counterfeit artwork, money detection, document check, fluorescence detection in cosmetics and baby products,