Hellow guys, Welcome to my website, and you are watching LED Tester - How to Test LED Backlighting - TKDMR GJ2C LED TV Backlight Tester. and this vIdeo is uploaded by TKDMR Long at 2019-05-28T02:24:54-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.