Optical Time Domain Reflectometer Multifunctional 1610nm OTDR Fiber Optical Tester with Line Finder 100‑240VAC US Plug Item Type: Optical Time Domain Reflectometer Material: ABS Center Wavelength: 1610nm Fiber Type: Single Mode Min. Event Blind Zone: Approx. 10m / 32.81ft (Single Mode) Dynamic Range: 22dB Measurement Range: 0.2, 0.5, 1, 2, 4, 8, 16, 32, 64km Measurement Pulse Width: 3ns, 5ns, 10ns, 30ns, 50ns, 80ns, 160ns, 320ns, 500ns, 1us, 5us, 10us Sampling Points: 64000 Waveform Data Storage Capacity: 500 lines Refractive Index Range: 1.00000 to 1.99999 Fiber Correction Factor Range: 0.80000 to 1.0000 RJ45 Cable Sequence Testing Network cable sequence, for use with cable tester Optical Power Meter Measurement Range: -50dBm to +26dBm VFL Output Power: >10mW RJ11 Locator RJ11 interface emitting telecommunication signals, for use with detector LCD Display: 320 x 480, 3.5 inch color LCD Interfaces: Micro USB, Memory card Power Supply: AC DC Adapter: Frequency Range: 50 60Hz Output: DC 5V 1A Interface Language: Simplified Chinese, English Environmental Adaptability: Storage Temperature: -40℃ to 70℃ Relative Humidity: 5% to 95%, non condensing Product Size: Approx. 173 x 82 x 36mm / 6.81 x 3.23 x 1.42in External Storage Type: Memory card [not included with shipment] Main Unit Battery: Internal Lithium Battery 3.7V, 4000mAh x 1 [main unit shipped with built in battery], Battery Operating Time 10 hours (normal temperature) Locator Battery: 9V 6F22 Battery x 1 [locator shipped without battery]