Product description Size: 3.0 cm * 3.0 cm * 11.5 cm Material: aluminum alloy Package content: 1*flashlight 1.Stain Detection: The UV flashlight can be used to reveal pet urine in carpets and furniture. You needn't to clear all house, just shine the UV flashlight and the stains will come out, makes it easy to clean up 2.Ensure Safety: With it you can find fluorescent whitening agents contained in baby clothes or your cosmetics, ensuring safe from fluorescent whitening agents. Towards the items that do not fluorescent whitening agents, the blacklight will show purple light, towards the items that contain fluorescent whitening agent, it will show blue light 3.More Features: The UV flashlights can also identify counterfeit money and reveal the hidden ink on passport, money or other important documents. It is also an essential tool for law enforcement, postal inspections, customs, medical forensics, scorpions huntings 4.Battery Type Required: 3pcs AAA Batteries (Battery Not Included), in order to keep the flashlight's lifetime, if you did not use it for a long time, please put off the batteryProduct without battery 5.Durable and Superior Bright The Ultraviolet Flashlight is Premium Aluminum Construction with anti-abrasive surface treatment and heat dissipation, non-slip textured grip.