Kayannuo Clearance Valentine's Day Gifts for Women Creative Ball-point Pen Cute New Peculiar With Light-emitting Flashlight Multi-function Ball-point Pen Student Gifts 2ml Creative Ball-point Pen Cute New Peculiar With Light-emitting Flashlight Multi-function Ball-point Pen Student Gifts 2ml Describe: This product uses a high-brightness LED currency detector lamp with a ballpoint pen refill. It has dual functions of checking money and lighting. It is the best choice for advertising and promotion of electronic gifts. This pen is a newly product, which is suitable for writing and other purposes. The pen also has a money checking function, which is easy to carry. It is a great gift for entertainment and gift-giving! This pen is a two-in-one applicable product, which can be used for writing or distinguishing the authenticity of currency through rays on the tip of the pen. Special note: This pen can also be a white lamp ballpoint pen. This lamp can write, but can also be used as a night light. This is very affordable. use: (1) The currency detector is lit with purple light on the end of the pen, and the watermark appears immediately, which can accidental loss of your belongings anytime and anywhere. (2) It can be used as a writing tool between lovers and. Maybe the it brings you can help you easily catch up with the long-awaited MM! (3) It is used in places where it is convenient to write directly, such as: key points of the contract, the establishment of a running account, and the calculation of RMB . (4) Sign your bill or make a mark on your things, it will damage the appearance. (5) It can be used as a miniature flashlight at night to illuminate you want to light up. SIZE:13.5*1.3CM Contains: 1X pens Creative Ball-point Pen Cute New Peculiar With Light-emitting Flashlight Multi-function Ball-point Pen Student Gifts 2ml Describe: This product uses a high-brightness LED currency detector lamp with a ballpoint pen refill. It has dual functions of checking money and lighting. It is the best choice for advertising and promotion of electronic gifts. This pen is a newly product, which is suitable for writing and other