LogiLink ID0034. Device interface: RF Wireless, Movement detection technology: Optical, Movement resolution: 1600 DPI. Frequency band: 2.4 GHz, Wireless range: 10 m. Battery technology: Alkaline, Battery type: AA. Package weight: 0.195 kg. Compatible operating systems: Windows 2000/ME/XP/Vista, Package dimensions (WxDxH): 170 x 220 x 75 mm