LEIGAO Specifications:White Yellow 365nm UV flashlight LED Jade 3 lights IdentificationFlashlight 3 kinds of light sources: White Yellow Purple 365mm Material: Aluminumpower10power by : 18650 Battery(Not include)Lumens: 700 lumens output (Max)LED BulbType:3 LED Light-365nm UV LED -White LED-Yellow Warm LEDNet weight: 70GSIZE133.5mm X 23.6mmCaliber15mm / 5mmPurple usefulnessAmber Authenticity counterfeit identificationHigh-end security monitoring tobaccoBanknote identification stamp collectionMonitoring a fluorescent substance comprising jadeProduct clean room monitoringA variety of instruments, trademarks, documents, fluorescent printing ink industryWhite light:White light irradiate object penetration strong, for watching pure white jade porcelain goods.Yellow light: yellow characteristics close to natural light, non-reflective irradiation, conducive to observeNotes:please allow 1-3cm error of measurement.Photo color might be a little different from the actual product due to color display of different monitors.Package included:1x 3 lights Identification Torch1x 5mm small caliber accessories