Three lighting modes with 395 nm ultraviolet light: strong light mode for clear visibility, low light mode to conserve battery or preserve night vision, and flash mode for signaling or quick location in the dark. This UV torch can reveal unexpected stains even in daylight. Rugged and waterproof construction: metal casing provides durability, with dustproof and moistureproof protection. IPX4 rated for everyday use. The 5W LED lamp delivers long life, up to 10,000 hours. Charging and usage time: USB charging interface for convenient power replenishment. Red and green indicator lights show charging status. A fully charged UV torch can continuously emit light for more than 12 hours. Telescopic zoom and pocket size: telescopic zoom head offers 1x to 4x adjustable zoom to suit distance and field of view. Compact and portable, suitable for daily use and outdoor exploration. Use scenarios: Home and on the go: reveal hidden stains on carpets, fabrics, upholstery, and surfaces in daylight or low light. Vehicle and workshop: detect leaks or residues using the UV light and verify cleanliness in maintenance tasks. Outdoor and field work: inspect surfaces in night conditions and identify fluorescent materials or markings during exploration.