http://sls.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/technologies/gunshot-detection
They claim that their technology is unique because it detects the acoustic energy of a gunshot instead of the audio of a gunshot, though the difference between the two is unclear. EAGL also claims that they can differentiate between handgun, rifle, and shotgun fire with their system. EAGL also manufactures vape pen detection technologies for use in schools and panic buttons which all hook into a central control system.