【Professional Optical Lens Design】Utilizes advanced optical lens technology for uniform light projection without interfering scattered light, ensuring precise illumination for forensic investigations 【High-Intensity UV Light】Features imported 365nm LED, producing UV light intensity of approximately 6200μW/cm² at 15cm distance and 950μW/cm² at 38cm distance 【Wide Beam Coverage】Provides a large illumination area with beam diameters of 48cm at 1m, 97cm at 2m, and 235cm at 5m distance, with about 80% beam uniformity 【Durable Construction】Built with aerospace-grade T6061 aluminum and features IP67 waterproof rating, capable of withstanding drops from 1.5 meters 【Versatile Application】Ideal for forensic investigations, inspections, search operations, and crime scene examinations Specifications: LED parameters: Model: Korea imported high-power 365nm LED UV intensity: about 6200μW/c㎡ (at a distance of 15cm); about 950μW/c㎡ (at a distance of 38cm) Spot diameter: 48cm @ 1m, 97cm @ 2m, 235cm @ 5m Spot uniformity: about 80% Circuit parameters: Input voltage: 2.8-4.2V Gear mode: single gear (high brightness) Circuit characteristics: constant current chip/constant brightness/no flicker/anti-reverse connection Charging method: Type-C direct charging Battery parameters: Battery: 1 18650 lithium battery (3.7V 2600mAh) Battery life: 2 hours Physical parameters: Size (mm): Φ33 (head diameter)* Φ25 (barrel diameter) * 159 (length) Weight (g): 140 Switch mode: tail control button switch Shell material: aviation grade aluminum T6061 Lens/lens: professional optical lens + UV special black lens Surface treatment: military grade three hard oxidation Waterproof level: IP67 Anti-drop height: 1.5 meters