Since inception, Razer Death Adder has offered gamers most comfortable gaming experience ever. Its contours perfectly fit under your palm, or just as well with claw-grip; while its large main buttons offer most effortless clicks, designed in matte black finish preventing sweat build-up, yet promoting better grip. Razer Death Adder Essential is equipped with 6400 DPI 4G optical sensor, capable of movements up to 200 inches per second and 50 g acceleration, meaning it will always respond with exacting accuracy and organic fluidity only possible with optical sensor. The sensor tracks Z-axis to as low as 1 mm on most surfaces including glass table tops, perfect for low-sense gamers who can set tracking cut-off on mice lift, ensuring always consistent control.