[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' be detected by the eyeColour:blackMaterial:Aluminum alloyPackage Contents:2 x Detection lampOnly 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.