Tobii Pro X3-120

Hardware Specifications

Tobii Pro X3-120 eye tracker provides exceptional flexibility and accommodates a wide array of human behavior studies. The ultra-slim, light design makes for a compact solution. The system shows exactly where people are looking and, with a sampling rate of 120 Hz, it is designed for detailed research into the timing and duration of fixations. The Pro X3-120 is perfect for both qualitative and quantitative research, e.g. calculation of different eye tracking metrics.

Unfortunately, this hardware is no longer manufactured. Please see Tobii Pro Fusion as an equivalent alternative.

The Tobii Pro X3-120 screen-based eye tracker is compatible with the iMotions Eye Tracking – Screen-based Module.

See Cleaning instructions

Screen-based Eye Tracker
Sample rate
120 Hz
Recovery time
≤100 ms
Mount type
On screen, stand
Screen size
Up to 25″ when mounted (16:9)
Operating distance
50 – 90 cm
Head movement
50 cm x 40 cm
Pupil size
Connection type
USB 3.0, LAN
32.4 x 2.0 x 1.7 cm
118 g
Necessary - included when purchasing from iMotions
screenshot of webpage with heat map gazepoints

Powerful software

for powerful research

To analyze the eye tracking data you’ve gathered from screen-based eye trackers, you’ll need software that can provide the precision and accuracy your study requires. With iMotions Screen-based Eye Tracking, advanced analysis of visual attention is at your fingertips, so you can visualize and export metrics such as:

  • Heatmaps
  • Gaze replays
  • Areas of interest (AOI)
  • Time to first fixation
  • Saccades & oculomotor events