Allows pointer to be viewed on a variety of presentation screens simultaneously including traditional projection screens, TV displays, bright LED screens, and smart boards – ideal for conference rooms and auditoriums. Ergonomist Approved design features a contoured shape to minimize wrist twist and maximize comfort with an intuitive 4-button layout. 2.4GHz receiver with MicroSD card provides up to 20 meters (65 ft) of wireless range. Windows and Mac.