Avago 3325 Laser Sensor Up to 10000 CPI Speeds Customazible CPI Settings: 100 CPI per Step Adjustable Polling Rate: 250Hz/4ms, 500Hz/2ms, 1000Hz/1ms Fully Macro Programmable 9-button + 4-way Click Scroll OMRON Japanese Switches for Extra Responsive Clicks Rubberized Finish with Additional Ribber Side Grip for added Comfort Up to 12 Macro-able Buttons On-the-fly CPI Adjustment 6-Level Weight Management System Fully Customizable RGB Lights Extra Set of High Quality Teflon Mousefeet Included Ultra Durable 1.8m Nylon Cord High Quality Teflon Foot Pads 12,000 Frames per second 30G Acceleration Can be Used on Most Surfaces Type: MouseMouse Type: WiredDpi: 10000