Sorry, but that doesn't make sense! The Pimax Eye Tracking Module in the test! [Droolon Pi1] - YouTube
Disassembly VR: Eye-tracked weapon aiming demo with Droolon F1. Also would work with a Vive Pro Eye and Droolon Pi. Just look and shoot, easy. : r/virtualreality
Droolon F1 + HTC Vive Facial tracker - VIVE & VIVE Pro - VIVE Forum
Amazon.com: VR Eye-Tracking Add-on Droolon F1 for Cosmos(Basic Version) : משחקי וידאו
7invensun Announces $150 Eye-tracking Module Supporting All HTC Headsets
Amazon.com: VR Eye-Tracking Add-on Droolon F1 for Cosmos(Basic Version) : Videojuegos