PRODUCT The Tobii Eye Tracker 4C is a piece of eye tracking hardware that attach via a magnetic strip to the bottom of your screen and connects to your computer with a simple USB connection. The Tobii Eye Tracker 4C understand where you as a user of a computer is looking, and also tracks your head movements. It complements rather than replaces you traditional gaming inputs, like mouse and keyboard or your game controller. Usage is predominantly in PC-gaming, where you can use your eyes and head movements for entirely new gaming immersions never possible before. Paring the Tobii Eye Tracker 4C with keyboard, mouse and gamepad give gamers a richer, more immersive gaming experience as they are able to mimic actions that occur in real life, such as looking for cover or aiming at a target. As per today (mid 2017) +60 games powered with Tobii Eye Tracking. COMPANY Based on our total market share, leading technology and a comprehensive eye tracking patent portfolio, Tobii is the world leader in eye tracking. CUSTOMER SERVICE/SUPPORT Global support 18 hours/day, MON-FRI support. For more info: SPECIFICATION: Tobii Eye Tracker 4C Size17 x 15 x 335 mm(0.66 x 0.6 x 13.1 in) Weight 95 grams (0.21 lbs.)Max Screen Size 27 inches with 16:9 Aspect Ratio 30 inches with 21:9 Aspect Ratio Operating Distance20 – 37″ / 50 – 95 cm Track Box Dimensions 16 x 12″ / 40 x 30 cm at 29.5″ / 75 cm Tobii Eye Chip Yes Connectivity USB 2.0 (integrated cord, USB 2.0 BC 1.2) USB Cable Length 80 cm Head Tracking Yes (not powered by Eye Chip)OS Compatibility Windows 7, 8.1 and 10 (64-bit only) CPU Load1% (Core i7)Power Consumption 1.5 Watt USB Data Transfer Rate100KB/s Frequency 90 Hz Illuminators Near Infrared (NIR 850nm) Only Tracking Population 97% System Performance 2.0 GHz Quad-Core Intel i5 or i7, 8 GB RAM.