Feature: Fine point marker, is loaded with special ink that is only visible under UV light. It includes a mini LED UV black light with batteries, so you can view your messages. Lamp holder is a purple yanchao lights, write can't see A photo with purple lights will be displayed Students can use the pen mark important information in the text books, in order to more efficient to complete the review your lessons. Perfect for your Record the confidential information.
Specification: Main Material: Plastic Structure: The shell, Small batteries, The sponge. Style: Practical, Creative Stationery. Color: Refills are transparen Size :13cm (length) Quantity:1pc
Note: Allow one to two centimeters of error. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
package include: Invisible Ink Fluorescent Pen x 1