• Total of 19 MMO optimized programmable buttons
• 12 button mechanical thumb grid
• Tilt-click scroll wheel
• True 16,000 DPI 5G Laser Sensor, with 0 Interpolation
• Up to 210 inches per second / 50 G acceleration
• 1,000 Hz Ultrapolling / 1 ms response time
• http://www.razerzone.com/ap-en/store/razer-naga-chroma