... , BNC 2, UL,CE,RoHS certificate Cable Tester Description: Specification:1, Cable tester for Cat 5 and BNC!2, 2pcs transmitter ... to test installed cabling or patch cables!3, Standard cable wiring diagrams printed right on the transmitter unit!4, Transmitter and receiver ... !8, Uses one standard 9 Volt battery (not included).Service:1, Our promise LIFETIME WARRANTY.2, As long as quality problem ...