Features:6400DPI optical sensor, the mouse can move quickly and accurately, thus satisfying the most basic game needs and achieving more precise control.1000Hz polling rate, ensures smooth movement in game, effectively improves accuracy and reduces misoperations.Ergonomic design, comfortable grip. The anti-slip side skirt effectively increases friction on mouse side, reduces condition of slipping caused by hand sweat.5 independent programmable Hyperesponse buttons give you accurate controls for a competitive edge.The Razer mechanical microswitch supports up to 10 million clicks for longer lifespan and extreme reliability.Specification:Brand: RazerModel: DeathAdder EssentialColor: BlackDPI: 6400DPIMovement speed: 220IPSAcceleration: 30GProgrammable button: 5 Hyperesponse buttonsClick lifespan: Up to 10 million timesPolling rate: 1000HzCable: About 2.1m rubber wireItem size: 12.7 * 7.3 * 4.3cm /5 * 2.87 * 1.69inItem weight: Approx. 96g /3.39ozPacking list:1 * Mouse