Multifunctional Fiber Optic Tester Visual Fault Locator High Accuracy Optical Power Meter with LED Light Item Type: Fiber Optic Tester Model: OFI Wavelength Range: 800-1700nm Probe Type: For InGaAs Adapter Types: 250um, 900um, 2mm, 3mm Modulation Frequency: CW, 270Hz, 1KHz, 2KHz Fiber Optic Signal Display Detection Range: +13 to -50dBm Signal Direction Detection Range: +13 to -35dBm (typical value) Signal Frequency Indication: 270Hz, 1KHz, 2KHz Signal Frequency Detection Range: +1330dBm (typical value) Standard OPM Module Testing Wavelength: 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm Power Test Range: +26 to -50dBm Unit: DBm, dB, xW Resolution: 0.01dB Uncertainty: ≤0.5dB Wavelength: 650±10nm Output Power: ≥10mW Test Interface: 2.5mm Universal Interface Display Screen: Color LCD Battery: 2 x AA Battery (battery not included) Working Temperature: -20-60℃ Storage Temperature: -30-70℃