Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed Network Cable Tester with Optical Power Meter VFL, RJ11 Rj45/Poe Tester/Cat5 Cat6/Length Measurement, Telephone Line Trace Meter with Headset, Network Tools Specification Item model number NF-8508 Power Source Battery Powered Color Blue Measurement Type Length, Voltage, Optical Power Brand NOYAFA Country of Origin China Package Dimensions 10.39 x 6.5 x 2.28 inches; 1.37 Pounds Manufacturer NOYAFA 6.5 inches x 10.39 inches x 2.28 inches. Weight: 1.37 lb Item Description ?9functions of network cable tester?: NF-8508 (transmitter) continuity test, cable scan, port flicker, cable length measurement, PoE test, crystal head QC test, OPM (optical power meter) and VFL (visual fault location) NVC function ?POE Test?: 8 core automatic identification of the middle span / end span / power, automatic identification of standard and non-standard equipment, optical power meter: 850 / 1300 / 1310 / 1490 / 1550 / 1625nm, seven standard wavelength switch; unit switch for dBm, dB or mw, uw, nw; and REF switch, -70 ~ +10 ?Cable Length Test?: can measure the range of 200 meters, network cables, telephone lines and BNC cables, with visual fault location function, detect and locate fiber breaks, and poor connections, fiber bends or cracks, and other problems ?CAT5 CAT6 Cable Toner?: (receiver) sensitivity adjustment, 300m null shielded network cable/non-null shielded network cable, NCV detection, lighting function, etc. Non-contact voltage detection: the receiver can be used to detect the AC voltage of household wires ?RJ45 RJ11 cable tester?: cable tracking, wire locator and tests the faults ofLAN cable tester, for telecommunications, computers, engineering wiring, networking and home essential network tools Product Description NOYAFA NF-8508 Built in OPM/CAT5 CAT6/CAT5E/CAT6A/RJ45 /RJ11 Test/VFL Test Optical Power Meter Test.Automatic identification of fiber frequency. 7 wavelengths , high precision testing 9 in 1 Multifunctional Network Cable Tester NOYAFA NF-8508 Continuity testing, cable scan, port flash, length measurement, POE Test, QC testing, optical power meter, VFL function, and NVC function.you can efficiently perform a wide variety of connection tests with just a single press of a button. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Network cable tester : PoE testing can check cable mapping polarity and voltage of PoE network switches, withstand 60VDC. Automatically detects and switches between 10M/100M/1000M modes. Includes cable tracking, short circuit test, interruption of circuit test and etc 9 Functions Optical Power Meter Test Automatic identification of fiber frequency. 7 wavelengths , high precision testing Mulit-Function Tester Built in OPM/CAT5 CAT6/CAT5e cat6a RJ45 Test/VFL Test RJ45 RJ11 cable tester: cable tracking, wire locator and tests the faults ofLAN cable tester, for telecommunications, computers, engineering wiring, networking and home essential network tools POE Test Functions RJ11 RJ45 Network cable Cat5/5e/6/6a(UTP/STP) Automatic scanning recognition Port Flash Quickly Exactly find out the target cable port to improvework efficiency Length Measurement Cable rangeis 2.5m to 200m Distance from cable break location VFL Features Optical Fiber Power Meter 7 wavelengths, fast flash, slow flash and constant light 10mW, high accuracy 1 POE Testing 2 Port Flash 3 9 Functions 4 LENGTH MEASUREMENT 5 OPM VFL LED Light The flashlight solves the trouble of working in the dark 3.7V Polymer lithium battery 1500mah 3.7V lithium battery, running time of 10 hours, Type-C charging is more convenient. Anti-interference Tester advanced digital/analog/POE mode, high sensitivity, less noise interference, widely used in engineering wiring, network and equipment maintenance QC TESTING RJ11 RJ45 PLUG TEST Test whether the RJ45 plug of the cable is okJust only one-end RJ45 plug can also tested 1 QC Functions 2 Multifunctional Tester 3 POE TEST 4 9 Functions 5 wide application Wiremap-Cable Type CAT5?CAT6 (STP UTP) Wiremap-Test Switch Directly Yes Wiremap-Max Range 600m POE-Test Range DC 5~60V standard / non-standard PoE switch POE-Voltage Display Yes POE-PSE Type IEE?E 802.3af/at Voltage Protection DC48V 5mA Length-Test Range 2-200m Scan-AC Filter Yes PowerMeter-Detecting Range -70 ~ +10 (dBm) Power meter-Standard Wavelenth 850, 1300, 1310, 1490, 1550, 1625, 1650nm Power meter-Display Resolution 0.01dBm VFL-Emmiting Energy 10mw Power Meter-Probe InGaAs Power Meter-Detection Limit ?1.0mm VFL-Emmiting Energy 10mw Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? 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