This is an invisible highlighter pen with a transparent plastic body and a variety of colors to choose from. It uses UV invisible ink, which is non-toxic and odorless. The traces are difficult to detect with the naked eye after writing. The secret information can only be seen after turning on the light on the pen cap. The pen is equipped with a UV LED light, which can be used as a banknote detector to help identify the authenticity of banknotes. It can also be used in other scenarios that require UV detection, such as detecting pet urine stains. It uses environmentally friendly mercury-free batteries to ensure safety and stability during use. It is environmentally friendly and has no pollution risks. Company logos and patterns can be printed.
