The SMK-Link VP4550 Wireless Presenter with Laser Pointer from SMK-Link is a simple and yet powerful presentation tool for all levels of users. Designed with 5 intuitive presentation control buttons, a unique scroll wheel for long document maneuver and a built-in laser pointer to bring audience focus, the VP4550 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 VP4550 works instantly with any Windows and Mac computers without the need to install software.2T21794. 1794. Smk-link SMK-Link Wireless Presenter with Laser Pointer.