... 3.25 years quality assurance 4. UL,CE,ROHS,ISO9001 New Item:cable tester 1.Put one end of the cable in ... cable accordingly,if the cable out of work,the LED and LED will turn green,red or others, or the LED ... is turned on,if shielding is normal,the corresponding LED and GND will turn green,if not the LED will first ... become green and the red or will not be on at all