Feature:1. MAIN PURPOSES: OTDR is used to evaluate FTTx and access network construction and maintenance, identify fiber breakpoints, measure cable length, and calculate relative optical power loss2. PORTABLE AND DIMMABLE: The optical fiber tester is compact and easy to carry around, with smooth control, colorful soft light screen, and adjustable screen brightness3. SCREEN AND WAVELENGTH: OTDR mulit function tester with 3.5in HD full touch screen, support multi touch, interactive friendly. Working wavelength for 1550nm, support test with light4. SMALL TEST BLIND AREA: The optical time domain reflectometer has a maximum test range of 80km and provides intelligent link analysis to display analysis events directly5. WITH BAG: Optical fiber tester equipped with a storage bag for easy storage, portability and access, and also prevent damage and lossSpecification:Item Type: OTDR Optical Fiber TesterModel: NK2600Universal Index:Display: 3.5in color TFT LCD screenResolution: 320x480 PixelsExternal Interface: Type CPower Supply: Built in polymer lithium battery capacity 2200mahOptical Time Domain Reflectometer: Wavelength Single Mode: 1550nmDynamic Range: 20dBEvent Blind Area: 5meterAttenuation Blind Area: 15meterTest With Light: Support (andlt -5dBm 1310nm, 1490nm, 1577nm)Distance Range: 0.2km, 0.5km, 1km, 2km, 4km, 8km, 16km, 32km, 40km, 60kmTesting Pulse Width: 10ns, 30ns, 50ns, 100ns, 300ns, 500ns, 800ns, 1us, 2us, 3us, 5us, 8usLoss Resolution: 0.01dBSampling Number: 4kOptical Connector: SC, PCStorage: 200 PiecesStable Light Source: Wavelength: 1550nm25nmOptical Output Power: -5dBmModulation Mode: CW, 270Hz, 330Hz, 1kHz, 2kHzOptical Output Port: OTDR portOptical Power Meter: Wave Length: 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, 1650nmMeasuring Range: -50-and26dBmMeasurement Accuracy: 5 percent Measurement Frequency: CW, 270Hz, 330Hz, 1kHz, 2kHzMeasuring Function: Threshold judgment, maximum and minimum value trackingOptical Connector: Universal connector FC, SC, STVisual Fault Location: Wavelength: 650nm20nmOptical Output Distance: 10kmModulation Mode: CW, 1Hz, 2HzOptical Connector: Universal connector.Package List:1 x Host1 x USB Cable1 x Plug1 x Storage Bag1 x User Manual1 x CD