Movement Technology:Optical
No. of Buttons:7
Scroll Wheel:Up/Down
Optical Sensor:Avago 5050
Resolution:625 to 2500dpi
Frame Rate:4500fps
Interface:USB

Special Features:2500 DPI Avago 5050 Sensor
DPI Adjustable from 625 to 2500
7 Multi-buttons with Auto fire function for gaming