["Features:\r\nThis keychain release uv light,NOT white light,\r\nIt is for detective function, Currency, ID, Passports Detector, insect detector.\r\nMicro size - goes anywhere you go\r\nIncredibly bright - visible over one mile!\r\nDual function On/Off switch & squeeze button\r\nUnbreakable LED lamp\r\n\r\nMaterial: ABS Plastic&Lamp\r\nSize:4 x 2 for cm/1.6\"x 0.8\"\r\nColor: UV Purple Light &Purple for Shell,\r\nQuantity: 1 Pc.\r\n\r\nNote:\r\n1# This purple UV light is for detective function, Currency, ID, Passports Detector, insect detector.\r\n2# Size for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\r\n3# And due to the difference between different monitors, the picture may not reflect the actual color of the item. \r\n Thank you!\r\n\r\nPackage Included:\r\n1 x Purple LED Mini Keychain Light Lamp ."]