Targus Wireless Presenter, USB, 590.6" (15 m), Black Targus Wireless Presenter. Wireless receiver interface: USB, Frequency band: 2.4 GHz, Wireless range: 590.6" (15 m). Product color: Black. Compatible operating systems: Win 2000, XP, Vista. Weight: 2.9 oz (82.2 g). Dimensions (WxDxH): 4.57 x 1.22 x 1.14" (116 x 31 x 29 mm)