RAZER Copperhead Razor High Precision Gaming Mouse (Chaos Green) High-speed motion detection, up to 45ips and 20g -- that's over 7080 frames per second Always-On mode - Laser engine sensor never powers down, to provide instantaneous response at all times during gameplay On-the-Fly Sensitivity DPI adjustment for perfect controls 7 independently programmable buttons, with ultra-tactile button feedback and maximum actions-per-minute GlowPipe non-slip side rails