Features8 programmable buttonsUp to 20000 DPIAdjustable RGB lightingRazer 8000Hz HyperPolling technologyAdvanced on-board memory for personalized settingsRazer 8000Hz HyperPolling TechnologyWith a true 8000Hz polling rate, the Razer Viper 8KHz Ambidextrous 8-Button RGB Optical Gaming Mouse can communicate its position and clicks to your PC at up to 8000 times a second—for near-zero input latency and a level of speed you’ve yet to experience.Razer Focus+ 20K Optical SensorWith new intelligent functions such as motion sync and asymmetric cut-off, our sensor flawlessly tracks your movement with zero spinouts, allowing for crisp response and pixel-precise accuracy.2nd-Gen Razer Optical Mouse SwitchThe improved polling rate maximizes the switches’ potential so that they register up to 8x faster —providing quick, clean execution for up to 70 million clicks with zero unintended double-clicking.71g Lightweight DesignIts agile form factor is extremely easy to handle and comes at no compromise to its build strength, allowing for deft control that feels like a natural extension of your hand.Razer Speedflex CableWoven for greater flexibility and designed to produce minimal drag, you’ll be able to perform quicker, smoother swipes for tighter mouse control.Advanced On-board MemoryBe ready to compete anywhere with up to 5 stored profiles that give you access to optimal keybind layouts, macros and double the inputs via the Razer Hypershift function.