Compact and portable UV flashlight torch with a belt buckle for hands carrying. The belt buckle design makes it convenient to bring along on travels and outdoor activities, offering safety and practicality when outdoors. Advanced illumination range and detection capability. Emits a wavelength of 395 400 nm to detect invisible ink and cracks with accuracy. The brightness helps reveal unseen details quickly and clearly. Simple to use and precise. Toggle between modes strong light, low light, burst flash and use telescopic focusing for added precision. Quickly detect fluorescent substances to support efficient inspections. Dependable performance for diverse environments. Energy efficient and waterproof for versatile use, including crime scene detection. In remote or harsh settings, rely on a longlasting power supply for uninterrupted operation without frequent battery changes. Use scenarios Crime scene and forensic inspections: reveal fluorescent residues, fibers, and markings that are not visible to the naked eye. Outdoor travel and fieldwork: convenient for camping, hiking, or remote work where compact, reliable illumination is needed. Document and material verification: detect invisible ink and security features on documents or items to verify authenticity.