Razer Viper 8KHz Ambidextrous Optical Gaming Mouse – Polling Rate: True 8000 Hz (0.125ms) – Max DPI: Up to 20,000 – Optical Gaming Sensor – Connectivity: USB, Wired Speedflex Cable – Razer Chroma RGB Lighting – Programmable Buttons: 7+1 – 2nd-Gen Razer Optical Mouse Switch (Rated for 70 Million Clocks) – 100% PTFE Mouse Feet – Weight: Approx 71g (Excluding Cable) – RZ01-03580100 – 2 Years Limited Warranty