Feature: 1. MULTIPLE FUNCTIONS: Equipped with POE testing, network cable scanning, continuity testing, voltage testing, fault distance positioning, port flashing, volume adjustment, multimeter, LED flashlight functions. 2. 3 TESTING MODE: The network cable tester has digital scanning mode, analog mode, and POE mode, which can be freely switched with a maximum line finding distance of 3000 meters. 3. ANALOG GENERATOR: Equipped with professional analog tone generator, it emits a louder sound when approaching the target cable, and the sensor sensitivity can be adjusted through the scroll wheel. 4. MULTIMETER: Can measure or test temperature, continuity, voltage, current, resistance, diode, NCV, etc., the K type probe measures temperature from 20 to 1000℃, the AC voltage test range is 4‑400V. 5. HUB FLASHING: The network cable tester can identify the pins that provide power and detect voltage, and locate the network ports through the flashing port lights on the hub and switch (flashing once every 1s). 6. APPLICABLE CABLE: This cable length tester includes transmitter, receiver, and RJ45 cable, etc., and suitable for 2 core metal wires, CAT5 CAT6 network cables, telephone cables, and coaxial video cables. 7. BUILT IN BATTERY: The host is equipped with 1250mAh rechargeable lithium battery, which can work continuously for 8 hours after 3 hours of charging, the receiver uses 9V cell, can work continuously for 2 hours. Specification: Item Type: Cable Tester Model: ET624 Material: ABS Cable Tracking Signal Transmission Distance: ≥3km Line Finder Pen Power Supply: 1 x 6F22 9V Dry Cell 800mAh (included) Host Power Supply: 1 x lithium battery 1250mAh (built in battery). Package List: 1 x Host1 x Host Hanging Rope1 x Charging Cable1 x User Manual1 x Line Finder Pen1 x Battery2 x Pens1 x Temperature K Type Test Cable1 x RJ45 Cable1 x Crocodile Clip Cable1 x Storage Bag