Feature: 1. [9 in 1 Function] Including OTDR reflectometer, optical power meter, red light source, stable light source, optical loss testing, line finding, LTDR testing, PON power meter, and line testing. 2. [Data Processing] The tester can transfer test data via USB port to PC for further analysis or processing using management software. Test results can be saved as .sor format files or printed in bulk. Reports include test conditions, test curves, link loss, average loss, and so on. 3. [Large LCD Display] Equipped with a large LCD display, this OTDR allows users to easily and quickly view the test results, ensuring timely analysis and troubleshooting. 4. [Simple Operation] With a user friendly one button operation, users can simply press a button to initiate the testing process, making it extremely convenient and efficient. 5. [Wide Application] This optical fiber tester is ideal for evaluating FTTx and access network construction and maintenance, identifying fiber optic breakpoints, measuring cable length, calculating relative optical power loss and more. Specification: Item Type: OTDR Fiber Optic Tester Material: ABS Model: 1550 PON OTDR Function: Laser Tube: 1550NM 1610NM OTDR Blind Zone: 3 Meter (Event), 10 Meter (Attenuation) Test Pulse Width: 10 30 100 300NS or 1 3 6US Test Length: 60KM (Event), 30KM (Attenuation) Scattering Depth: 20DB (6US) Measurement Resolution: 0.6 Meter Standard Optical Power Meter: Wavelength Range: 800 to 1600NM, SC Interface Test Range: -70 to +6 (-50 to +26 Broadcasting Version) Red Light Source: Operating Wavelength (nm): 650nm Output Power (mw): 10mw Optical Loss Test Function: Test Range: 0-30DB Output Power: 10% LTDR Test: Test Length: Default 200 Meter Test Function: Measure Network Cable Breakpoint or Short Circuit Point Line Finding Function: Test Method: Audio Ultra Audio Testing Test Range: Between 12 and 36 PON Power Meter: Test Interface: ONU OLT Test Port Test Function: Verify and Check the Fiber Situation of Modem Line Test: Test Function: Network Cable Loop Resistance Measurement, Network Cable Line Sequence Display Instructions: Display 0K Normal, Display X Fault Other Functions: Host Battery: Lithium Battery x 1 (4000mAH) (Built in) Line Finder Battery: Lithium Battery x 1 (1000mAH) (Built in) Temperature Conditions: -10 to +50 (Operating), -25 to +70 (Storage) Package List: 1 x Host 1 x Line Finder 1 x Aluminum Alloy Toolbox 1 x Charger 1 x USB Charging Cable 1 Pack of Cotton Swabs 2 x Accessories