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 loss 2. PORTABLE AND DIMMABLE: The optical fiber tester is compact and easy to carry around, with smooth control, colorful soft light screen, and adjustable screen brightness 3. 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 light 4. 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 directly 5. WITH BAG: Optical fiber tester equipped with a storage bag for easy storage, portability and access, and also prevent damage and loss Specification: Item Type: OTDR Optical Fiber Tester Model: NK2600 Universal Index: Display: 3.5in color TFT LCD screen Resolution: 320x480 Pixels External Interface: Type C Power Supply: Built in polymer lithium battery capacity 2200mah Optical Time Domain Reflectometer: Wavelength Single Mode: 1550nm Dynamic Range: 20dB Event Blind Area: 5meter Attenuation Blind Area: 15meter Test With Light: Support (<-5dBm 1310nm, 1490nm, 1577nm) Distance Range: 0.2km, 0.5km, 1km, 2km, 4km, 8km, 16km, 32km, 40km, 60km Testing Pulse Width: 10ns, 30ns, 50ns, 100ns, 300ns, 500ns, 800ns, 1us, 2us, 3us, 5us, 8us Loss Resolution: 0.01dB Sampling Number: 4k Optical Connector: SC, PC Storage: 200 Pieces Stable Light Source: Wavelength: 1550nm??25nm Optical Output Power: ??-5dBm Modulation Mode: CW, 270Hz, 330Hz, 1kHz, 2kHz Optical Output Port: OTDR port Optical Power Meter: Wave Length: 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, 1650nm Measuring Range: -50-+26dBm Measurement Accuracy: ??5% Measurement Frequency: CW, 270Hz, 330Hz, 1kHz, 2kHz Measuring Function: Threshold judgment, maximum and minimum value tracking Optical Connector: Universal connector FC, SC, ST Visual Fault Location: Wavelength: 650nm??20nm Optical Output Distance: ??10km Modulation Mode: CW, 1Hz, 2Hz Optical Connector: Universal connector. Package List: 1 x Host1 x USB Cable1 x Plug1 x Storage Bag1 x User Manual1 x CD