Pupil Neon Mobile Eye Tracking Glasses – 1.6-2.4 degree accuracy, 2x 192 x 192 200Hz IR eye cameras, 1600 x 1200 30Hz scene camera, integrated accelerometer, magnetometer, and gyroscope, post-hoc pupillometry, eye state, fixation, and blink data
Varjo XR3 Head Mounted Display – integrated 200 Hz eye tracking with sub-degree accuracy, 1-dot calibration foveated rendering
GSR and PPG
Shimmer3 GSR+ – 10k-4.7MΩ (.2uS – 100uS) +/- 10%. 22k-680kΩ (1.5-45uS) +/- 3% measurement range, DC-15.9Jz frequency range