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A laser pointer pen is a handheld device that combines the functionality of a pen and a laser pointer. Typically used for presentations and lectures, it allows the user to highlight or point to specific areas on a screen or board from a distance. These devices are often small and portable, powered by batteries, and come with a button to activate the laser. Laser pointer pens can emit beams of various colors, with red and green being the most common. Some models may also include additional features such as built-in flashlights or styluses for touchscreen devices.