Tobii Pro Nano

A screen-based eye tracker which captures gaze data at 60 Hz and is designed for fixation-based studies. This easy-to-use, robust research system is an ideal entry point for those considering beginning eye tracking research or those wishing to take their eye tracking research out of the lab environment.


Enter the world of eye tracking research

Tobii Pro Nano is our smallest, most lightweight research-grade eye tracker, featuring the latest technology from Tobii Pro. It's ideal for those who are new to eye tracking research, or for researchers wanting to take their studies outside the lab environment.

The easy-to-use system lets you conduct quality eye tracking studies with minimal effort and investment. Run tests across a range of areas such as psychology or marketing research and build your knowledge on how to use eye tracking as a research method to analyze visual attention and gain valuable insights.

The system shows exactly where people are looking, and with a sampling rate of 60 Hz it's designed for fixation-based research.

View the Specifications and Data Quality Test
Report for Pro Nano

Tobii Pro Nano eye tracker mounted on tablet with gaze plot
Tobii Pro Nano eyetracker on a laptop

Fully-portable for research in the field

Pro Nano is designed to use with smaller screens, providing a compact, fully-portable research solution. Present your stimuli on a Windows or a Mac laptop for data collection in authentic research environments. Bring your portable lab to schools, hospitals and public places - wherever your participants are.

The ability to track virtually anyone, as well as simple setup and configuration, makes the system perfect for running studies efficiently outside the lab.

Tobii Pro Nano:

  • attaches easily with supplied mounting plates on various screens.
  • offers fully embedded processing of eye tracking data.
  • connects via a USB port directly to your computer.
  • calibrates participants quickly.

Today’s marketing researchers need to move out of the lab to find answers to their questions and Tobii Pro Nano gives you the ability to combine the strengths of a lab with field studies.

Poja Shams, Assistant Professor, Karlstad University, Sweden

Teach students how to use eye tracking

Packages are available for equipping universities with portable eye tracking solutions to teach students how to use the technology in different fields. Our experts can help develop curriculums that demonstrate how it can be integrated as a tool to answer research questions and enhance commercial endeavors.

Read more about our classroom packages.

Tobii Pro Nano Pro Lab software classroom

Hands-on learning is really effective, and the portability of Tobii Pro Nano lets me easily involve my students in the whole process of an eye tracking study from the theoretical knowledge to the practical use of this technology in their own experiments.

Poja Shams, Assistant Professor, Karlstad University, Sweden
Woman using Tobii Pro Nano to compare packaging

Versatile for many types of studies

Pro Nano works with Tobii Pro Lab, a versatile Windows software platform designed to meet the highest demands of different research scenarios with exact timing accuracy. This software offers an efficient workflow, making it easy to design experiments, record and analyze data, and obtain eye tracking visualizations.

By integrating the Shimmer3 GSR+ Unit, Pro Lab supports combining eye tracking and GSR data, throughout the entire workflow. The ability to send TTL signals on stimulus onset from Pro Lab allows precise synchronization of gaze information with data from other sources such as EEG or ECG.

Mac OS users can now use Pro Nano in their research through Tobii Pro SDK, that offers a comprehensive toolkit for researchers or partners who wish to develop their own applications to use with Pro Nano or other screen-based eye trackers from Tobii Pro.

Pro Nano provides high-quality data for studies run on Windows PC and Mac laptops with screen sizes up to 19 inches. The system can also be used to study real-world stimuli, such as physical objects or people, which enhances your research opportunities.

Track almost anyone with quality data

The system's very high accuracy and proven vast tracking capabilities in many conditions offers a reliable solution for large population field tests and teaching contexts.

Feature include:

  • Extremely robust tracking capabilities, regardless of ethnicity or corrective lenses
  • Tolerance for head movements and varied lighting conditions
  • Eyes are detected instantly with minimal data loss during blinks or when participants look away
  • Pupil data is captured at the same sampling rate as the gaze data

Research graded eye tracker

Pro Nano's high data quality has been confirmed through extensive testing. We use well-documented methods from systematic variations of environmental conditions to a general assessment of the eye tracker's performance within a large sample of individuals. This makes the system suitable for publishing research reports.

Multiple product certifications ensure that quality and user safety requirements are met.


Eye tracker unit

The eye tracker measures only 170 mm (6.7'') in length and weighs 59 g (2.1 oz.). It attaches to screens up to 24" (16:9) with supplied adhesive mounting brackets for monitors, laptops and tablets.

Mounting solutions for use with mobile devices, as well as brackets for larger projections or real-world objects are offered as accessories.

Quick and easy eye tracking - Tobii Pro Nano


Eye tracking specifications

Eye tracking technique Video-based pupil- and corneal reflection eye tracking with dark and bright pupil illumination modes.
One camera capture images of both eyes for accurate measurement of eye gaze and eye position in 3D space, as well as pupil diameter.
Sampling frequency 60 Hz
Precision1 0.10° RMS at optimal conditions2
Accuracy1 0.3° at optimal conditions
Binocular eye tracking Yes
Eye tracker latency 1 frame (17 ms)
Blink recovery time 1 frame (immediate)
Gaze recovery time 250 ms
Data output3
Gaze origin
Gaze point
Pupil diameter

Eye image data stream Not available
TTL input stream Not available
Tracker and client time synchronization Integrated between the eye tracker time domain and the client computer time domain.


1Tobii Pro uses an extensive test method to measure and report performance and quality of data. Please download the Data quality test report for more detailed information.
2Using built in filtering
3For the complete list of available data and the supplementary data stream, download the Pro SDK documentation from Tobii Pro’s website.

Tobii Pro Nano Eye Tracker Data Quality Test Report

Set up

Head movement tolerance Good - One-camera system, gives an accurate calculation of the data and a good level of precision. More sensitive for head movement than the dual camera systems.
Freedom of head movement4 (at 65cm distance) Width x height: 35 cm x 30 cm (13.78" x 11.81")
Freedom of head movement4 (at 80cm distance) Width x height: 45 cm x 45 cm (17.7" x 17.7")
Operating distance
(mounted on screen)
45 to 85 cm (18 to 33'') from the eye tracker
Tracker setup options Tracker mounted at tripod, allows for even larger screens or physcial objects to be tracked.
Optimal screen size Up to 24"5


4Describes the region in space where the participant can move his/her head and still have at least one eye within the eye tracker’s field of view (trackbox) at the specific distance.
5For large screens, the limiting parameter is the quality of the gaze accuracy at the upper corners of the screen when the user sits close to the screen.

Software and framework compatibility

Software and framework compatibility Tobii Pro Lab
Tobii Pro Eye Tracker Manager
Tobii Pro SDK
Any application built on the Tobii Pro SDK
Operating system Windows, Mac


Hardware versions

Hardware versions 60 Hz

Eye tracker unit

Dimensions 17 x 1.8 x 1.3 (6.69" × 0.71" × 0.51")
Weight 59 g (2.1 oz.)
Connectors USB Type-A (2.0)
Data Processing Tobii EyeChip™ with fully embedded data processing.
Eye tracking cameras 1
Illuminators Dark pupil Illumination Modules, Bright pupil Illumination Modules
Power consumption Typical power consumption: <1.5 W
Max. rated power consumption: 6 W
Power options Directly via USB 2.0 Type A

Comparison tables


Pro Nano

Pro Fusion Pro Spectrum

RMS at optimal conditions3

RMS at optimal conditions2

RMS at optimal conditions (raw signal)

RMS at optimal conditions2

RMS at optimal conditions (raw signal)

Accuracy 0.3° 0.3° 0.3°
Head movement tolerance Good
(Single Camera)
(Dual camera)
(Dual camera)
Tracker setup options Tracker mounted at tripod, allows for even larger screens and physical objects to be tracked. Tracker mounted at tripod, allows for even larger screens and physical objects to be tracked.

1 Tobii Pro uses an extensive test method to measure and report performance and quality of data. Please download the Data quality test report for more detailed information.

2Applying Savitzky-Golay filtering (settings in Tobii Pro Data quality test report)

3Using built in filtering.

  Pro Nano Pro Fusion Pro Spectrum
Optimal screen size Up to 24” 1 24” 24”
Freedom of head movement
width x height @ 65cm distance (either eye)
35 x 30cm 40 × 25cm 34 x 26cm
Freedom of head movement
width x height @ back of headbox (either eye)
45 x 45cm2
45 x 30cm
42 x 26cm
Operating distance
(cm in Z direction)
45 - 85cm 50-80cm 55-75cm
Head movement tolerance Good Excellent Excellent

1For larger screens, the limiting parameter is the quality of the gaze accuracy at the upper corners of the screen when the user sits close to the screen
2Cone/circular shaped

Learn and support

Tobii Pro Nano setup

How to install and configure your Tobii Pro Nano eye tracker.

Get started

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