Evike.com posted a video testing the GPR Hit Sensor System. This is developed by the South Korean company called Gunpower and is in use in the country for over a decade now with various configurations to suit airsoft competition needs... "Finally! A Hit Tracker for Competitive Airsoft?!

We test out the new GPR System (Helmet, Vest, and Mock-Suppressor) that just might change the Competitive Airsoft game FOREVER!!!