[FOCUS ADJUSTABLE & WITH HIGH QUALITY DESIGN ]Zoom in/ out to adjust suitable light range. Enlarge to circle the suspected area and narrow down to mark the pet's urine. The body is made [Portable size]the small UV flashlight measures approx 4x 1 inch, which support you take it any where in your pockets, will not take up much space; Equipped with a strap, the small UV flashlight can be easily attached to your bags or anywhere you want [Quality material]made of aluminum alloy, this blacklight flashlights is durable and strong, long-lasting and easy-heat-losing; Working well in rainy and snowy weather, this portable UV light detector is able to sustain temporary immersion [ USB CHARGING PORT]Unscrew the back cover then plug directly into any USB devices such as computer,mobile and mobile phone charger. Say goodbye to constantly replacing alkaline batteries-SAVE MONEY and ENVIRONMENTAL PROTECTION. [Multiple applications:]the handheld are appropriate for hotel room inspections, revealing unknown human and pet fluid stains, , rodent contamination and carpet spots that can't be detected by the eye Colour:black Material:Aluminum alloy Package Contents: 1 * Detection lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.