9 in 1 OTDR Optical Fiber Tester PON Test LCD Display Optical Time Domain Reflectometer Line Finder Set 100‑240V US Plug Item Type: OTDR Line Finder Set Mode: 1650 PON Material: ABS OTDR Function: OTDR Blind Area: Approx. 3 meters / 9.8ft(event) 10m / 32.8ft (attenuation) Test Pulse Width: 10, 30, 100, 300NS or 1, 3, 6US Test Length: Approx. 60000m / 196850.4ft(event) 30000m / 98425.2ft(attenuation) Scattering Depth: 20DB(6US) Measurement Resolution: Approx. 0.6m / 2ft Standard Optical Power Meter: Number Wavelength Range: 800 to 1600NM/SC port Test Range: -70 to +6 (-50 to +26 broadcast version) Red Light Source: Operating Wavelength (nm) : 650nm Output Power (mw) : 10mw Light Loss Test Function: Test Range: 0 to 30DB Output Power: 10% LTDR Test: Test Length: Approx. 200m / 656.2ft by default Test Function: Measure the breakpoint or short circuit of the network cable Hunting Function: Test Method: Sound, ultra sound test Test Range: Between 12 and 36 PON Power Meter: Test Interface: ONU OLT test interface Test Function: Verify and verify the optical fiber of the broadband cat Line Test: Test Function: Network cable ring resistance measurement, Network cable sequence Display Description: 0K is normal, X is faulty Other Functions: OTDR Battery: Lithium battery x 1 (4000mAH) (shipped with built in battery) Line Finder Battery: Lithium battery x 1 (1000mAH) (shipped with built in battery) Temperature: -10 to +50℃(working), -25 to +70℃ (storage)