1、FAST ACCURATE ALIGNMENT: Cable tester supports through break detection, clear network cable short circuit, broken, cross and other conditions, easy to detect the cable, troubleshooting, and intuitively shown on the LCD display. 2、POE IDENTIFICATION: Use the network cable to connect the PoE device to the host, you can quickly identify whether the device is a standard PoE device, and display the number of power supply cores, voltage, equipment standards and other parameters, equipment at a glance. 3、LENGTH TEST: Wire locator inserted that is to test the length of the cable, support 1 to 250m range of wire length test, a key to detect the length of the cable, fast and convenient. 4、SINGLE ENDED TEST: Quickly detect whether the internal contact of the crystal head is good or not, insert the cable into the front left side of the cable port, the test results will be displayed, if there are bad in 1 to 8 cables, it will display "o". 5、TWO MODES: Provide two modes of ordinary wire finding and anti interference wire finding, can quickly find the target cable in a large number of cables, can detect unshielded network cable, shielded network cable, telephone line, widely used in engineering wiring, maintenance of computer rooms, equipment updates and other scenarios. Item Type: Network Cable Tester Material: ABS Functions: Single Ended Test, Length Test (Approx. 1-250meters / 3.28-820.2in), Wire Finding Test, Pairing Test, POE Identification Tester Battery Type: 3xAAA Batteries (Not Included) Receiver Battery Type: 2xAAA Batteries (Not Included) 1 x Line Detecto r(Battery Not Included) 1 x Receiver (Battery Not Included) 1 x Network Cable 1 x Adapter Cable 1 x Storage Bag 1 x User Manual