The Interlink VP4560 stopwatch presenter from SMK-Link is a simple and yet powerful presentation tool for all levels of users. An integrated stopwatch with LCD display enables the presenter to effectively manage time. Designed with 5 intuitive presentation control butoons, a unique scroll wheel for long audience focus, the VP4560 presenter features up to 70 feet of wireless freedom for effortless presentation delivery. With an on/off switch to conserve power and an integrated storage for its receiver dongle, the device is travel friendly. Designed for plug and play, the Wireless Stopwatch Presenter with Laser Pointer works instantly with any Windows or Mac Computer without the need to install software.