... Life: over 5,000 hours 5 x 3-in-1 Red Laser Pointer Beam Light + PDA Pen + ... point at any desired targets on projection screens, video monitors, and presentation graphics.* Use ballpoint pen ... handy design, very convenient to put in bags or pockets.* Useful kit for handy torch, office/school presentation, ... at any targets, such as photos, blackboard, video monitors, and so on.* Warning: Never point ...