featuring industry-leading mice technology that’s designed with and tested by Team Razer athletes, bringing you a mouse that’s bred to tear up the pro scene. Every click you make actuates at the speed of light. The Razer™ Optical Mouse Switch utilizes an infrared light beam to register a click, resulting in an industry-leading response time of 0.2 milliseconds. Its instant actuation eliminates debounce and unintended clicks, giving you complete control in execution Engineered with 99.4% tracking accuracy and up to 16,000 DPI, the Razer 5G Optical Sensor offers deadly precision. When combined with your physical dexterity and skill, the Razer Viper represents a mouse that achieves a true extension of yourself in the game. During competition, even the tiniest advantage can make a difference. The Razer Viper weighs in at just 69g without any compromise on its build strength. A lighter mouse allows swifter, more controlled swipes, augmenting the speed of your reaction in battle.