Spesification : Memory: 160K Acceleration: 30 g Frame Speed: 12,000 fps Max. Resolution: 8200 CPI (5-level adjustable) Key Response: Less 0.2 ms Infrared-Wheel: Over 1 Million Scrolls Tracking Speed: 150 inches/sec(ips) Image Processing: 10.8 Mega pixels/sec Metal X' Glide Armor Boot: Over 300 Kms Infrared-Micro-Switch: Over 20 million clicks Report Rate: 125~1000 Hz/sec (4-level adjustable) Type: Wired Button Numbers: 9 Cable Length: 1.8 M Sensor: Laser Engine Connector: USB(2.0/ 3.0) System Requirements: Windows XP/ Vista/ 7/ 8 /8.1 / 10 or later