R.A.T. 4+

Pixart PMW 3330 True 7200 CPI Gaming Grade Sensor
OMRON Long-Life switches in L & R buttons (20M Click)
4 DPI levels – 800/1600/3200/7200 switch on-the-fly.
9 Programmable functions
Precision Aim for precise cursor control
Min 1 m/s response time
1.8 Metre braided USB cable
Adjustable Lift-Off height – 2 mm – 3 mm