The Razer Viper V2 Pro is a gaming mouse that was released on March 16, 2021. This mouse is considered to be a smaller form factor than its predecessor, the Razer Viper Ultimate. It features an improved optical sensor, new switches, and RGB lighting. The dimensions of this mouse are 4.61 x 2.36 x 1.54 inches (117 x 60 x 39 mm). The weight of the mouse is 3.52 ounces (100 grams).