Technical indexes (1). Overall dimension Main tester: 185×105×50mm; receiver: 218×46×29mm; Remote identifier: 84×34×27mm. (2). Power Two laminated batteries of 9V. (3). Display Special 4 x 16 character big screen LCD lattice (valid visual field 61.6 x 25.2 mm). (4). Type of cable tested STP/UTP twin twisted cable, coaxial cable, telephone line. (5). Type of cable detected 5E, 6E, telephone wire, coaxial cable, USB cable and other metal wires. (6). Ambient temperature in work -10℃ ~+60 ℃ (7). Tester Port Tester RJ45 master port (M), tester LOOPBACK RJ45 port (L), hunting RJ45 port(With RJ45); Remote identifier RJ45 port (R) The extra BNC and RJ11 converters are used to measure and check the continuity of coaxial cable and telephone line. (8). Length Measurement of Twin Twisted Cable Scope: 1~350 M ( 3 ~200 ft) Calibration accuracy: 3% (+/- 0.5M or +/- 1.5 ft)(calibrating cable > 5 M) Shipment accuracy: 5% (+/- 0.5 M or +/- 1.5 ft).(AMP, AT&T Class 5 cable) Display: M or ft. (9). Length Calibration: User can set calibration factor by himself with a given length cable. The length of calibrating cable is more than 5 M. (10). Wire Sequence and Locating Cable Error: Check errors such as open circuit, short circuit, reverse connection, cross-over or cross-talk interference. (11). Locating Cable 8 Remote identifier test jacks (ID 1≥ ID 8). (12). Automatic Time-delay Shut Off Time: The tester does not operate for 30 minutes.