Fangrui Product Details 1. Et612 Network Cable Tester Wire Tracker Battery Voltage Poe Test Multi-function Cable Tester 2. Widely Used In Metal Wire Line Occasions Such As Telephone System, Computer Network, Video Network, Optical Communication Engineering And So On. 3. Adopt Lcd Intuitive Display Screen, Data Display Is Clearer, Poe Mode, Digital Mode, Analog Mode Can Be Switched Freely. 4. Poe Test Function: This Tool Can Be Used To Test Standard And Non-standard Poe Equipment, As Well As Poe Voltage, Power Supply Polarity And Power Supply Mode. 5. Voltage Test Function: You Can Click "v" To Enter The Voltage Test Function, You Can Measure The Battery Voltage And Voltage Polarity, And Then Press "v" To Enter The Test Mode. 6. Adjustable Sensitivity: When You Receive A Strong Signal, Turn Down The Stereo; When You Receive A Weak Signal, Please Pick Up The Audio Equipment, It Can Give You More Accurate Test Data. 7. With The Led Flashlight Function, The Flashlight Can Be Turned On When The Light Is Weak Or Used At Night, So That You Can Use It Normally In The Dark Environment. 8. Parameter: 9. Material: Abs 10. Power Supply: Transmitter: 3 Aa Batteries (not Included) Receiver: 9v (not Included) 11. Analog Cable Trace: Yes 12. Digitized Cable Tracing: Yes 13. Tracking Cable That Supports Poe: Yes 14. Identify Cable Pairs And Connection Quality: Yes 15. Battery Voltage Polarity Check: Yes 16. Battery Voltage Measurement (for Reference Only): Yes 17. Poe Voltage Polarity Check: Yes 18. Poe Voltage Measurement (for Reference Only): Yes 19. Check Breakpoints: Yes 20. Continuity Test: Yes 21. Trace Signal Transmission Distance: 3km 22. Output Signal Level: ~ 15vp-p 23. Vibration Indication: Et613 Only 24. Flashlight: Yes 25. Adjustable Volume: Yes 26. Low Battery Indicator: Yes 27. Packing List: 28. 1 X Transmitter 29. 1 X Receiver 30. 3 X Wires