Easy to Use - Simply press the button on the pen tip to easily extend or retract the tip and turn the LED light on or off. You can also adjust the pen's illumination mode while writing. This glow-in-the-dark ballpoint pen is suitable for writing day and night. LED Design - This LED glow-in-the-dark pen features a high-brightness light design, making it easy to read and write even in dark or dimly lit environments. It can also be used as a mini flashlight. Smooth Black Ink - The ballpoint pen rolls smoothly, making writing on paper comfortable. You can easily carry it in your wallet or shirt pocket. Premium Materials - Our LED pen is made of high-quality metal, making it drop-resistant, durable, and aesthetically pleasing. Ideal Gift - This night-writing pen is the perfect gift for students, office workers, and more.