Specification: 
 

1) Convenient for right hand or left hand users
2) Radio frequency and optical technology
3) Freely 360-degree use within 1.5m radius
4) Automatically power-saving sleeping function
5) Zoom in / out functions
6) All injection colors available
7) High resolution: 800dpi 2500frames/s
8) Working on any surface except glass
9) Compatible with Win 95 / 98 / 2000 / Me / XP / NT/VISTA

10) Mouse size: 136*70*38cm USB receiver size: 62*25*8mm

    Blister size: 27*26*7cm

Blister box packing information: 

SIZE: 56*70*59  G.W./N.W.: 18/16KGS/CTN  QTY: 40PCS/CTN