1、6-band for accurate and fast measurement 2、It can find telephone line and common metal two core wire, support switch live line hunting 3、LCD video brightness is clear, suitable for field and maintenance work. 4、It can test the line connection of network cable, telephone line, BNC cable open circuit, short circuit, crossover, reverse connection, pairing, crosstalk, etc by M-S and M-R. 5、It has cable connectivity test, cable hunt test, cable length test and communication data monitoring, etc. Features: 1. 6-band for accurate and fast measurement 2. It can find telephone line and common metal two core wire, support switch live line hunting 3. LCD video brightness is clear, suitable for field and maintenance work. 4. It can test the line connection of network cable, telephone line, BNC cable open circuit, short circuit, crossover, reverse connection, pairing, crosstalk, etc by M-S and M-R. 5. It has cable connectivity test, cable hunt test, cable length test and communication data monitoring, etc. Specification: Condition: 100% Brand New Model: SML-VOLS Video Format: NTCS Video Model: 1Vpp Power Supply Output: DC 12V 1A Communication Interface: RS232/RS485 Baud Rate: 300 600 1200 2400 4800 9600 19200bpc Battery: 3000mAH Lithium Battery Detector Type: INGaAs Screen: 3.5in LCD Working Temperature: -10℃-150℃ Working Humidity: 30%-90% Package List: 1 * CCTV Tester 1* Line Finder 1 * Remote Receiver 1 * BNC Video Cable 1 * BNC Head Extension Cable 1 * Crocodile Clip Adapter Line 1 * DC12V Output Cable 1 * USB Cable 1 * RS485 Control Line 1 * Cloth Bag 1 * Hand Rope 1 * Instruction manual