1、5 in 1: The fiber optical power meter has 5 in 1 function of OTDR, Event Map, OPM, VFL, OLS, etc. Evaluate FTTx and access network construction and maintenance, identify fiber breakpoints, measure fiber cable lengths, and calculate relative optical power loss. 2、6in Screen: The 5 in 1 fiber optical tester has a 6in screen, data is saved in SOR format, long battery life, and can perform 5000 measurement operations. 3、Fault Locator: The 1550nm fiber optical tester has a built in Visual Fault Locator (VFL), which is convenient for finding blind spot faults.The optical time domain reflectometer is designed to be lightweight, easy to use, accurate, repeatable, and designed for automatic arterial width control. 4、Dustproof and Waterproof: The fiber optical power meter is dustproof, waterproof and shockproof, specially designed for field use, with test wavelength 1310/1550nm, 22dB dynamic range. 5、OTDR Technology: The fiber optical tester adopts the principle of OTDR technology, and the integrated analysis software ensures accurate and easy detection of fiber fault locations. 1 x Mini OTDR Tester2 x Adapter1 x Charging Cable1 x Fiber Optic Cable1 x Portable Storage Bag1 x Storage Bag Strap Item Type: Optical Time Domain ReflectometerProduct Material: ABS, SiliconeModel: MINI OTDRWavelength: 1310nm Or 1550nmFibre Type: 9/125um SM FibreConnector: FC, SC APCDynamic Range: 22dBPulse Width: 5ns~8000ns, AutomaticMeasurement: MEvent Blind Zone: Approx.3 m / 3.3ydAttenuation Blind Zone: Approx.10m / 10.9ydDistance Accuracy: ± (1m+2x10-4xDistance)OPM: -50~+26dBm, Wavelength 850 1300 1310 1490 1550 1625nmVFL: ≥10mWOptical Light Source: 1550nmiLOM(Event Map)Battery: AA x 3 (Battery not Included)Battery Operating Time: ≥ 2000 MeasurementsData Storage: >500Operating Temperature: -5~40℃Storage Temperature: -10~60℃Humidity: 0~85% (No Condensation)