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sampling rate | 60, 120 and 250 Hz |
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accuracy | 0.3 degrees (typ.) |
precision | 0.1 degrees (typ.) |
time stamp precision | 1 µs |
latency | 25 ms (60 Hz), 17 ms (120 Hz), 12 ms (250 Hz) |
operating environment | Indoor (all illumination conditions) |
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eye tracking principle | Dark pupil and corneal reflection |
operating system | Windows 10 and 11 |
cable length | 2 m (up to 8 m with additional hardware) |
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camera interface | USB-C |
synchronization | 8-bit markers |
headbox freedom of head movement | 50 x 40 cm at 65 cm distance |
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operating distance | 50 - 80 cm |
size | 146 x 24 x 27 mm |
weight | 162 g |
maximum display size | 24” (16:9 aspect ratio) |