SteelSeries Sentry Gaming Eye Tracker Game Analyzer makes an incredible training tool to improve and optimize your performance Record and benchmark yourself against the pros, see your tendencies and learn to improve them Game Enhancer offers added levels of precision control with minimal distraction, extending multitasking Tri-redundant eye tracking sensors scan the eyes 50 times per second ensuring the highest levels of accuracy USB 3.0 delivers the bandwidth the Sentry needs for data and power Special custom lens system ensures performance in multiple environments Customizable setup for improved individual results User friendly UI makes using the Sentry a breeze