Laser mouse XL-747H is the highest quality product, with the resolution of 600, 800, 1200, 1600, 2000 to 3600 dpi, that allows enlarging and reducing the mouse's sensibility without installation any additional drivers. 3XFire button is indispensable in computer games, and allows with one click 3 times shot. Also in the office, where 2 clicks are required the 3XFire button is required. Additional button "Firepower button" allows the multi shot with only one mouse click. Extreme responsive and precocious laser technology ensures the perfect closeness and reliability. Very high speed 1 ms. In set you find also projected dumbbell, that are gonna to suit the weight of mouse to the players needs.