Design patent, made in Taiwan, quality assured; High intensity LED lasts 100,000 hours, brightness extends visibility 1 mile, suitable for reading, night security, or emergency kit * Powered by 4 x LR41 batteries (Included). 500 meter laser emission range. Innovative four in one multifunctional laser pointer with a PDA touch screen pen, LED lighting and ball point pen etc. functions. * Scratch resistant stylus tip is compatible with most PDAs on the market, protects sensitive touch screens and provides greater control. * Equipped with a pen clip, convenient for carriage. Solid Brass Construction, lightweight, durable, compact and versatile design. Packaged in black presentation case. * Elegant appearance, fine quality, compete with high class smart writing pens, the best choice for purchasing as a present, gift or premium item. Complied with the European Standard EN 60825-1 & USA FDA Laser safety regulations.