The Logitech Wireless Presenter R400 is a versatile device designed for use with computers and personal computers. With a sleek and compact design, this presenter features a red laser pointer for easy control from a distance of up to 50 feet. It includes 4 buttons for intuitive operation and runs on 2 AA batteries (included). The built-in media consists of a carrying case, quick-start guide, and the R400 presentation software. This product from Logitech is a reliable and convenient tool for enhancing your presentations and lectures.