RAZER OPTICAL MOUSE SWITCH 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. RAZER 5G OPTICAL SENSOR Engineered with 99.4% tracking accuracy and up to 16,000 DPI, the Razer 5G Optical Sensor offers deadly precision. When combined with Razer Optical Mouse Switches: Pull out clutch tournament plays with a light sensor that registers clicks with zero false actuations—the switches themselves are durable for up to 70 million clicks Razer 5G Optical Sensor: Engineered with up to 16,000 DPI sensitivity and a 99.4% resolution accuracy—the incremental advantage you need to edge out the competition Onboard DPI Storage: Pre-set up to 5 custom DPI stages on Razer Synapse 3 and bring your settings anywhere so you’re always ready to compete no matter the arena 69g Lightweight Design: Weighing just 69g, the Razer Viper makes no compromise on build strength, opting to forgo a more skeletal shell in favor of a solid, ambidextrous chassis—perfect to withstand the rigors of competition