Quickly trace and identify needed cables among lots of unknown cablesCheck continuity for Lan cablesTrack the cables, and diagnose the breakageVisible indication: pin-to-pin cable map for individual cable (not by pairs)Low Voltage alarm functionEarphone for using in noisy environmentLED light assists use in dark scenario—NF-801 Transmitter specifications Tone frequency 200HzMax. distance of transmission Up to 2 kilometersMax. working current 10mAVolume Regulate Function Audio volume level controlTone mode 2 Tones, adjustableCompatible connectors RJ11, RJ45Max. signal voltage 8Vp-pLED lights display Wiremap, tone, tracingVoltage protection DC 48VBattery Type DC9.0V（NEDA 1604/6F22) x 1pcDimensions (LxWxD) 15 x 3.7 x 2cm NF-801 Receiver specifications Frequency 200kHzMax. working current 30mAEarphone jack 1Battery Type DC9.0V（NEDA 1604/6F22) x1pcDimensions (LxWxD) 12.2 x 4.5 x 2.3cm—
