Spy UV Pen with uv light and Invisible Ink allows you to write "secret messages", phone numbers and other notes and leave them in plain sight without ever being read by anyone. The paper will remain a blank sheet. However, by placing the sheet under UV light built in the pen or any UV source or black light your "secret message" will appear.It is the smallest UV light with built in UV pen in the world and can be easily carried and used without the knowledge of those around you. Your message can be written on paper, metal, plastic or skin.

Features:

*Black light LED reveals message

*Hidden note compartment holds paper

*invisible UV ink marker

*Use Plain Paper

*Battery include

* ROHS,CE,EN71 approved.