Thank you for viewing. No comments needed & Immediate purchase OK! *Please provide prompt feedback after receiving the item. ・Color: Black ・Body Material: Aluminum Alloy ・Light Source: 365nm UV LED ・Light Source Life: Approximately 2000 hours ・Brightness: Maximum 100Lm or less ・Irradiation Distance: Approximately 50m maximum ・Operating Time: Approximately 90 minutes maximum ・Power Source: 1 x AA alkaline battery (sold separately) ・Waterproof Standard: IPX7 ・External Dimensions: 9.2 x 2.6cm ・Weight: Approximately 55g ・Included: Light body only (batteries not included) Compared to products with similar functionality, this product is more compact and portable. Multi-functionality: Equipped with many functions such as focus adjustment and waterproof function. Outdoor: Useful for discovering invisible stains during camping or fishing. Collectors: Useful for verifying the authenticity of banknotes and minerals. DIY: Useful when doing DIY using UV resin, such as resin crafts. Pet owners: Useful for discovering pet urine stains. Students: Useful for experiments and observations. Type...LED Light Brightness (Lumens)...300〜499lm