Precision Gaming: Mouse comes equipped with a high-end Pixart PMW 3360 optical sensor engine to deliver impeccable accuracy with 200ips tracking speed and 50g acceleration RGB Backlighting: Featuring 11 dynamic backlight effects glowing with RGB colors allowing users to game in style. Easily activate or disable backlight illumination with a convenient On/Off switch Program On-The-Fly: Select the optimal DPI level from 6 customized values ranging from 800 to 12000 via included software suite. The software also interfaces with 8 programmable buttons allowing ad-hoc modification. The helpful Rapid-Fire button also gives an edge in FPS battles Intuitive Design: Ergonomic hand grips conform to all grip styles, while the non-slip design allows users to game securely, knowing that they have a firm grip on the responsive mouse