Razer DeathAdder Chroma - Multi-Color Ergonomic Gaming Mouse - 10,000 DPI Sensor - Comfortable Grip - World's Most Popular Gaming Mouse - World of Tanks Lift-off tracking Synapse 2.0 and surface calibration Ergonomic right-handed design with textured rubber side grips Five independently programmable hype response buttons Orange LED lighting Long after your opponents have rage-quit from frustration and fatigue, you'll still be pawning hard, thanks to the Razer Death Adder's ergonomic right-handed design. The Razer Death Adder has been upgraded with the world's first 6400dpi optical sensor. Achieve a new level of speed and precision, while getting the same natural feel of motion that gamers have come to love when using an optical sensor. Achieve high levels of performance while retaining the feel of the optical sensor that countless Razer Death Adder fans have come to love. The latest iteration of the Razer Death Adder feature rubber-textured side grips that promote ease of control under your fingers.