Feature:1. 3.5inch Touch Screen: The fiber optic tester has a 3.5inch full color HD touch screen with multi touch control, fast and sensitive response, soft light screen and high definition display.2. Wavelength Isolation Technology: This optical time domain reflectometer adopts wavelength isolation technology, can be tested with light, input voltage is 5V, dynamic range is 20dB, optical interface is SC.3. Blind Area: The optical time domain reflectometer breakpoint fault finder has an attenuation blind area of 10m, event blind area of less than three meters, sampling point of 8000, and supports input light detection.4. Autonomous Algorithm Chip: The optical time domain reflectometer is equipped with a self injected algorithm chip with fluent processing speed and red light source power of 10mW.5. Compact Size: Breakpoint fault finder can be operated with one hand, with all functions to meet the needs of work.Specification:Item Type: OTDR TesterMaterial: ABSDynamic Range: 20dBTest Range: 100m-80kmWavelength: 1550(20nm)Optical Interface: SCBattery:Lithium Battery x 1(4800mah)(Shipped With Built In Battery)Pulse Width: 5ns-20sMeasurement Time: 5 seconds to 180 secondsMeasurement Mode: Real Time, Average, AutoFading Blind Zone: 10mEvent Blind Area: < three metersSampling Point: 8000Input Light Detection: SupportMaximum Allowable Power With Light Test:1270nm <10dBm1310nm <10dBm1490nm <10dBm1577nm <10dBm11 Only S5F ModelsStandard With Intelligent Optical Link Analysis:Yes (Standard On All Models)OPM Power Range: -50-26dBmOPM Response Wavelength: 700nm-1700nmOPM Calibration Wavelength: 850nm,1300nm,1310nm,1490nm1550nm,1625nmOPM Power Uncertainty: 0.2dBRed Light Source Power:10mWDisplay: 3.5 Inch Multi Touch Color ScreenData Cable Type: Type C Charging Requirements: Voltage 5V Current 1AManual Calibration Function: SupportLED Flashlight Function: SupportExpandable External Storage:U Disk (Temporary Storage)Operating Temperature:0-50Storage Temperature:-20-70Relative Humidity:<90%.Package List:1 x Fiber Optic Tester1 x Instruction Manual1 x Lanyard1 x Data Cable1 x Storage BagNote:This device uses special lithium battery for power supply. Please select the correct power adapter for charging.