Convenient for right hand or left hand users
Radio frequency and optical technology
Freely 360-degree use within 1.5m radius
Automatically power-saving sleeping function
Zoom in/out functions
All injection colors are available
High resolution: 800DPI
Works on any surface except glass
Compatible with Microsoft Windows 95/98/2000/ME/XP/NT
Size: 88 x 51 x 31mm