Descriptions: This product integrates network routing, crystal head crimping testing, alignment, POE measurement, and switch port flashing functions. It is a multi-purpose line positioning product designed using data transmission technology based on long term engineering practice experience. making it a practical tool for laboratory, factory wiring, and communication line installation and engineering maintenance personnel. The product consists of a host transmitter and a wire aligner. is a practical tool for the construction and daily maintenance of metal lines such as computer network cables and telecommunications network communication cables. Features: 1. Cable Pairing Check: cable pairing check,test straight through, open circuit ,,short circuit 2. QC Cable Port:Qulity verify the crimping Crystal port (RJ45/RJ11) 3. Switch(Flash):Hub blink for locating network port by the flashing portlight on Hub /Switch. Available to 10M or 100M Hub/ switch 4. PoE Test: Test whether the POE device has voltage output and the wiring number for voltage output display through LED lights 5. Automatic shutdown energy-saving design Specifications: Basic Functions Cable Pairing Check(wiremap) √ Crystal head crimp test(QC) √ 10x (flash) switch PoE Test √ Power By(Main Body ) 9V Battery(not included) Power By(Receiver) / Other Functions low battery indicator, energy saving, Auto Power Off material: plastic Color as shown Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 x ET605 Network Cable Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.