Radio frequency:27MHz;

Resolution:800dpi or higher;

All-directional operation with the distance of 0.6~1.5m;

Interface: USB,PS/2,U+P;

Supports windows 98/2000/XP/ME/Vista;

Zoom in and zoom out function;

Sleep and wake up saving power automatically;

Any color is available;

Batteries: 2 AAA;