4-in-1 Multifunctional Penlight: The clip features a 120-lumen white light, a two-stage red light for night vision, and red SOS mode for emergencies. It also features a soft tip light for writing in the dark, and a precise Class 3R green laser pointer with two brightness levels for clear, confident presentations. Hassle-Free Charging: A hidden USB-C port fully charges the O'Pen 3 in about 1 hour, delivering convenience while maintaining the pen's sleek, seamless aesthetics. Comfortable Grip for Smooth Writing: Its meticulously balanced body features a gently tapered aluminum frame and a meteor-shower-inspired grip pattern, offering both comfort and control during extended use. Tough & Portable: Constructed with a durable aluminum body and a reliable spring-loaded clip for easy pocket carry. Measuring 6.10 inches in length and 0.5 inches in diameter only, it's ready for your everyday tasks and emergencies.