[FOCUS ADJUSTABLE & HIGH QUALITY DESIGN] Zoom in and out to adjust the suitable light range. Enlarge to circle the suspected area and narrow down to mark pet urine. The body is made of durable material for reliable performance. [PORTABLE SIZE] The small UV flashlight measures 4x1 inch, making it easy to carry in your pocket without taking up space. Equipped with a strap, it can be conveniently attached to bags or other desired locations. [QUALITY MATERIAL] Made of aluminum alloy, this blacklight flashlight is durable, strong, and features efficient heat dissipation. Performs well in various weather conditions and can withstand temporary immersion. [HIDDEN USB CHARGING PORT] Unscrew the back cover and plug directly into any USB device such as a computer, power bank, or phone charger. Eliminates the need for frequent battery replacements. [MULTIPLE APPLICATIONS] This handheld UV light is suitable for hotel room inspections, detecting human and pet fluid stains, contamination, and hidden carpet spots not visible to the naked eye. Color: Black Material: Aluminum alloy Package Contents: 1 x Detection lamp Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.