Control your presentation anywhere in the room--up to 50 feet away 2.4GHz of wireless technology let's you concentrate on your presentation and forget about wires and cords. Bright laser beam is easy to use and track. Model number: 33374EU Features 2.4GHz wireless technology delivers 50 feet of free roaming Compact design uses hidden dongle as on/off switch Bright laser beam provides easy to see pointer visibility Wireless USB receiver stores inside palm-sized controller Ergonomic design fits comfortably into the palm Fingertip control for easy, simple use Plug and play simplicity requires no setup 2 AAA batteries provide long, reliable useage (included)