Product Description Product Features Transmitter Testing Function: Comprehensive functions including cable continuity testing, cable scan, port flashing, cable length measurement, PoE test, QC testing for crystal head, optical power meter (OPM), and visual fault location (VFL) function. PoE Test: Automatic identification of midspan/endspan/power by 8 cores, with recognition of standard and non-standard devices. Optical Power Meter: Supports wavelength switching between 850/1300/1310/1490/1550/1625nm with unit switching at dBm, dB, or mW, µW, nW; plus REF switching. Visual Fault Location Function: Effectively detects and locates fiber breaks and other issues such as poor connections or fiber bends. Receiver Function: Includes sensitivity adjustment, 300m no-load shielded network cable operations, NCV detection, and auxiliary lighting. Non-contact Voltage Detecting: Use the receiver to detect AC voltage in household wiring. Illuminate Function: Built-in lamp to assist in lighting up work areas. Battery Operated: Equipped with a 1500mAh polymer battery in both transmitter and receiver, rechargeable via Type-C with indicators for charging and low battery. Additional Settings: Backlight brightness (level 1/2/3), adjustable backlight and auto-off times, and red light flashing options under VFL function (fast/slow/steady). Wide Applications: Ideal for network line engineering and maintenance in telecommunication, computing, and metal conductor operations. Specifications General Material: ABS Cable Type: CAT5/CAT6 Voltage: 60V Package Weight: 586g / 20.67oz Package Size: 24 x 16.5 x 5.5 cm / 9.45 x 6.50 x 2.17 in Transmitter Wiremap Port: RJ45 Remote Continuity: ≥300m STP/NTP: Yes Short Circuit Reminder: Yes Anti-jamming and Normal Mode: Yes Audio Transmission Frequency: 455KHz Audio Transmission Distance: RJ45 300m NVL: 10mW Power Meter: 850/1300/1310/1490/1550/1625nm (wavelength) Crimping: RJ45-8 cores, min length ≥10cm Power Supply: 3.7V 1500mAh polymer lithium battery Size: 148 x 70 x 32 mm / 5.83 x 2.76 x 1.26 in Receiver Scan Current: ≤300mA Remote Continuity: ≥300m NCV Detection: Yes Lamp: Yes Low Voltage Prompt: Yes Power Supply: 3.7V 1500mAh polymer lithium battery Size: 198 x 50 x 28 mm / 7.80 x 1.97 x 1.10 in Package Includes 1 x Transmitter 1 x Receiver 1 x RJ45 Adapter Line 1 x RJ11 Adapter Line 1 x Crocodile Clip Test Line 1 x Type-C Data Cable 1 x Earphone 1 x Carry Bag 1 x Manual (English)