Easy to Ooperate - Just gently press the button on the pen tip, you can easily expand or retract the pen tip and turn on or off the LED light. In addition, you can adjust the pen to light or not light when writing. Lighted ballpoint pen is suitable for day and night writingLED Desigh - This led light tip pen is designed with bright light, which helps you easily read and write in dark or weak light. In addition, it can be applied as a mini flashlightSmooth Black ink - Ballpoint pen rolls nicely, so that writing with it on your paper will be a enjoyment. you can put it on purse, shirt pocke, it is easy to carryQuality Material - Made of high quality metal, our led pens are resistant to fall, not breakable, and have a nice appearanceIdeal Gift - The night writing pen is a gift for you, which is suitable for students, pupils, clerks, office workers and so on