... ,UL,CE,RoHS certificate Features:1, Size: 105 x 100 x 25mm 2, Weight:118g 3, Test correspondingly double- ... for RJ11, RJ12, RJ45, Cat 5e, Cat 5, 10/100 Base-T, AT&T 258 A, TIA-568A/568B ... master unit 9, Auto scanning function for rapid testing. 10, Grounding Test 11, Build in power switch for power ... 9V battery ( Not Included ) Package Content:1, 1 x LAN Network/Phone Cable Tester RJ11 RJ12 RJ45 Cat5 2, 1 ...