Razer Deathadder Precision Optical Gaming Mouse - Infrared - USB - 5 x Button. 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 with pinpoint accuracy. Buy this Mouse and Save $24 Off on a Razer Deathadder Precision Optical Gaming Mouse - Infrared - USB - 5 x Button for $35.99 with free shipping at Rakuten.com.