razer deathadder essential.   ergonomic form the razer deathadder essential retains the classic ergonomic form that?s been a hallmark of previous razer deathadder generations. its sleek and distinct body is designed for comfort, allowing you to maintain high levels of performance throughout long gaming marathons, so you?ll never falter in the heat of battle.   6,400 dpi optical sensor allows fast and precise mouse swipes that offer greater control for the most essential gaming needs.   5 hyperesponse buttons independently programmable hyperesponse buttons give you advanced controls for a competitive edge.   up to 10 million clicks the multi-award winning razer mechanical switches last up to 10 million clicks for longer lifespan and extreme reliability.   anti-slip side grips razer deathadder essential has upgraded to anti-slip side grips and strengthen control and precision over your mouse during lift-offs and fast swipes.    razer synapse 3 (beta) enabled razer's hardware based on online cloud. set parameters such as dpi and polling rate precisely. save files automatically and keep the same pace with cloud server.   specification: up to 220 inches per second (ips) / 30 g acceleration razer mechanical mouse switches with 10 million-click life cycle gaming-grade tactile scroll wheel 1000 hz ultrapolling single-color green lighting razer synapse 3 (beta) enabled approximate size: 127.0 mm / 5.0 in (length) x 73.0 mm / 2.90 in (width) x 43.0 mm / 1.70 in (height) approximate weight (excluding cable): 96 g / 0.211 lbs cable length: 1.8m / 5.91 ft   package list: 1 * razer deathadder essential wired gaming mouse