Why do i see many drivers ?
Below is a list of drivers that may be suitable for your device. With the different devices, they can have the same driver , it's because they all use the same chip manufacturer.
How to select driver?
If you are looking for an update , pickup the latest one. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.
Watch this video to see how it works -
click here
Your driver is up to date - if you have a problem with your driver, you can try to re-install the old version as below .
Cyborg R.A.T.7 Contagion Mouse (USB)
Others
7.0.20.0
2012-09-20
11 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
Cyborg R.A.T.7 Contagion Mouse (USB)
Others
7.0.20.0
2012-09-20
133.17 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
Cyborg R.A.T.7 Contagion Mouse (USB)
Others
7.0.12.6
2011-10-07
3.74 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits