| Tobii Eye Tracker 4C | |
| Size | 17 x 15 x 335 mm (0.66 x 0.6 x 13.1 in) |
| Weight | 95 grams (0.21 lbs) |
| Recommended Max Screen Size | 27 inches with 16:9 Aspect Ratio 30 inches with 21:9 Aspect Ratio |
| Operating Distance | 20 - 37" / 50 - 95 cm |
| Track Box Dimensions | 16 x 12" / 40 x 30 cm at 29.5" / 75 cm |
| Tobii EyeChip | Yes |
| Connectivity | USB 2.0 (integrated cord, USB 2.0 BC 1.2) |
| USB Cable Length | 80 cm |
| Head Tracking | Yes (not powered by EyeChip) |
| OS Compatibility |
Windows 7, 8.1 and 10 (64-bit only) |
| CPU Load |
1% (Core i7)* |
| Power Consumption | 2.0 Watt** |
| USB Data Transfer Rate | 100KB/s |
| Frequency | 90 Hz |
| Illuminators | Near Infrared (NIR 850nm) Only |
| Tracking Population | 97% |
| System Performance | 2.0 GHz, Intel i5 or i7, 8 GB RAM |
* Head tracking is not powered by the EyeChip so it may increase your CPU load.
** The average power consumption during usage is 2.0W, but the eye trackers power consumption can spike up to 5-6W depending on the use case. For example, when the illuminators first turn on, the consumption can briefly spike (matter of milliseconds) at around 5-6W. The Tobii Eye Tracker 4C officially works with USB 2.0 BC1.2 which can handle spikes up to 7.5W.
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