The Razer DeathAdder is the weapon of choice for gamers seeking a combination of comfort and unbridled gaming precision. Enjoy extended gaming sessions in comfort with its right-handed ergonomic form factor crafted for the world of competitive gaming; and when the difference between victory and defeat is determined between heartbeats, the 3500dpi Razer Precision 3.5G infrared sensor translates your every movement into frags with pinpoint accuracy.