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. Battery technology: Alkaline, Battery type: AAA. Compatible operating systems: Win 2000, Me, XP, Vista. Weight: 1.5 oz (42.5 g)