Razer DeathAdder Essential Essential gaming mouse with 6400 DPI optical sensor The Razer DeathAdder Essential is the essential gaming mouse to kickstart a proper gaming rig. The 6400 DPI optical sensor enables fast and precise swipes for great control while an ergonomic form allows extended hours of gaming. It's also built for durability featuring 5 Hyperesponse buttons that can go up to 10 million clicks. True 6400 DPI Optical Sensor The Razer DeathAdder Essential features a true 6400 DPI optical sensor with a proven history of performance for fast and precise swipes. This allows you smooth and seamless control in the face of a chaotic battle. Ergonomic Form Maintain high performance during gaming marathons. The ergonomic form provides a comfortable fit for your hands so you'll never falter in the heat of battle during long hours of gaming. High Durability The Razer DeathAdder Essential is designed with high durability to maintain high performance quality to last intense gaming sessions. Its 5 Hyperesponse buttons have been laboratory tested for up to 10 million clicks to ensure that this is the last mouse standing in battle.