The "Rat 5 mouse" refers to the Mad Catz Cyborg R.A.T. 5, an ambidextrous (but right-hand dominant) wired gaming mouse released in the early 2010s. It sits in the middle of the R.A.T. series (between the entry-level R.A.T. 3 and the pro-grade R.A.T. 7).
: Equipped with a 5600 DPI laser sensor that can be adjusted on-the-fly via a rocker switch with four custom settings.
Weight distribution is critical in gaming. Some prefer a heavy mouse for stability; others prefer a featherlight device for speed. The RAT 5 comes equipped with a removable weight cartridge. Located in the base of the mouse, this cartridge holds small metal weights that can be added or removed to fine-tune the heft of the device. This level of granularity allows players to achieve the precise "swing weight" they prefer, balancing control with agility.
Most standard mice have left, right, and scroll wheel. The RAT 5 includes a third "sniper" button near the thumb rest.