Blue 1 Black Light Trick with Nichia LED and Black Light Uniquely Bright Secret PIN Code Product Nail Pet [Medium Point/1 & Red] Pen, Water-Based

Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Recommended for gifts and magic tricks! The invisible ink allows for surprising effects. [Color] Transparent (milky white) *Glows red and blue under black light [Accessories] Nichia UV-LED black light (375nm) Palm-sized keychain type for easy portability! Includes two test batteries (CR2016) for operation verification. [Bonus] Sample writing paper that does not contain fluorescent whitening agents We specialize in black lights and UV-LEDs (ultraviolet LEDs)! We also develop black light inks, making this our original product. Available in three colors, we're confident in its superior brightness compared to other brands! The included black light uses a 375nm LED manufactured by Nichia. You can use the black light alone to check for anti-counterfeit stamps and dust on banknotes. *The peak wavelength has a tolerance of ±5nm. *Contents: One medium-point trick water-based marker (blue and red), one black light keychain, writing paper, and instructions. Color: Transparent (milky white) *Glows blue under black light. Note: Writing glows when exposed to black light for easy identification. What can you do (have fun) with this size black light? ・Check for anti-counterfeit printing on banknotes! ・Check for anti-counterfeit printing on passports! ・Check for the mysterious barcode printed on used postcards! ・Check that a certain energy drink glows a certain color!・Find out where your dog or cat has made an accident! ・Harden gel nails (※Depending on the specifications of the gel nail) Have fun shining a black light on everyday objects. As a bonus, a test writing paper that does not contain fluorescent whitening agents is included.