This Mini UV Torch Keyring is a must-have accessory for anyone who values convenience and functionality. Featuring a built-in 395-400nm wavelength ultraviolet (UV) light, this small but powerful tool is perfect for: Authenticating banknotes, Spotting stains, Inspecting ID and documents and Checking for fluorescence.The keyring design allows you to easily attach it to your keys or bag, ensuring it's always within reach when you need it. The durable, lightweight body makes it an ideal companion for everyday use, travel, and even emergency situations. Powered by 2 standard button-cell batteries, this mini UV torch keyring is an essential tool in a compact form factor, making it the perfect gift or personal gadget.