Inca IM-320. Device interface: USB, Movement detection technology: Optical, Purpose: Office. Cable length: 1.35 m. Power source: Cable. Operating temperature range (T-T): -10 - 45 °C. Compatible operating systems: Microsoft Windows 98/2000/ME/NT/XP/Vista/7, Mac OS 8.6 +, Depth: 48 mm, Height: 30 mm