Features LCD Display For Accurate Measurements: The NF-308 features a clear LCD display that measures voltage from 0-60V, ensuring precise readings for network cable length testing and live line identification Versatile Compatibility: This line finder is ideal for locating BNC coaxial cables, shielded and ordinary network cables, telephone lines, USB cables, and various metal cables, making it a essential tool for professionals Extended Cable Length Measurement: Equipped with an extendable clip, this device can accurately measure network cable lengths up to 305 meters and effectively identify short circuits and breakpoints Enhanced Usability Features: With automatic backlight for low-light conditions and a self-test function that adjusts for battery and temperature variations, this tool ensures reliable performance in any environment Compact Design For Portability: Lightweight and portable, the NF-308 is easy to carry, making it perfect for fieldwork while supporting multiple testing functions, including opening, short-circuit, and cross-network tests Features: 1、[LCD Display] NF？308 line finder, with LCD display, can measure the voltage 0？60V, network cable length test and calibration anti jamming switch live line finding. 2、[Applicable Objects] Super anti interference, suitable for finding BNC coaxial cables, shielded and ordinary network cables, 4 core network cables, telephone lines, USB cables and other metal cables. 3、[With Clip] The clip can be extended to find the wire and cable, can measure the length of the network cable within 305 meters, judge the position of short circuit and break point, with calibration function. 4、[Backlight And Self Test Function] With automatic delay shutdown and backlight function, the lighting function can be tested normally in a dark environment. Self check function can automatically compensate for the influence of battery power changes and environmental temperature changes. 5、[Multi Functions] Portable line finder, small and lightweight, can open, short, and cross the network cable and support the local short circuit test of the line to the BNC coaxial line. 6、[Wide Applications] Suitable for environmental integrated wiring in communication telephone systems, computer network systems, metal wire lines and other fields. the cable finder is an indispensable detection instrument in cable environmental engineering. Specification: Item Type: Cable Detector Material: ABS Model: NF-308 Battery: 6F22 9V x 1 Battery (Battery Not Included) Purpose: Line Detection and Inspection Application Scope: Network cable, telephone, video, same line, USB line and other sales terminal services and applications, communication telephone system, computer network system, metal wire line and other fields of environmental integrated wiring, intelligent, information and energy wire integrated engineering Wiring, maintenance, replacement, computer network engineering and information system integration, computer information system tea Package List 1 x Receiver (Battery Not Included) 1 x Transmitter 1 x Terminal 1 x Headphone 1 x Clip 2 x Network Cable 1 x Manual 1 x Tool Bag