Targus AKM10EU. Device interface: RF Wireless. Movement resolution: 800 DPI, Movement detection technology: Laser. Frequency band: 2.4 GHz. Keyboard dimensions (WxDxH): 155 x 90 x 25 mm, Keyboard weight: 0.12 kg, Mouse dimensions (WxDxH): 95 x 60 x 30 mm. Minimum system requirements: Windows 2000, XP, Vista, Compatible operating systems: Windows 2000/XP/Vista