Five awesome tools, and yes, it does write too! The best tool for writing in the dark! UV light, red laser pointer, bright white LED too! This high tech gadget has enough bells and whistles to make most geeks drool. Twist the shaft one way and you get a ballpoint pen, twist it the other way and you get a stylus tip for use with PDAs and games. Press the top button to turn on the laser pointer, press the bottom button to cycle through the flashlight and UV light. The flashlight even comes on a flexible rod for precision aiming! Batteries included.