Optical Fiber Tester 1550nm 22dB SM OTDR Power Meter VFL RJ45 Cable Sequence Fiber Tester with Line Finder AC100‑240V US Plug Item Type: Optical Fiber Tester Material: ABS Center Wavelength: 1550nm Applicable Fiber Type: Single mode Minimum Event Blind Spot: 10m (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 Point: 64000 Waveform Data Storage Capacity: 500 pieces Refractive Index Setting Range: 1.00000~1.99999 Fiber Optic Cable Correction Factor Range: 0.80000~1.0000 RJ45 Cable Sequence: Test the network cable sequence, use with pairing machine Optical Power Meter Measurement Range: -50dBm to +26dBm VFL Output Power: >10mW RJ11 Line Finding: RJ11 interface emits electrical signals, use with detector LCD Display: 320x480, 3.5 inch color LCD Interface: MicroUSB, small memory card Interface Language: Simplified Chinese, English Environmental Adaptability: Storage temperature: -40℃ to 70℃, relative humidity: 5% to 95%, no condensation Size: Approx. 173x82x36mm/6.81x3.23x1.42in External Storage Type: Small memory card (without) Tester Host Battery: Internal lithium battery 3.7V, 4000mAh x 1 (built in), battery working time: 10 hours (room temperature) Line Finder Battery: 9V 6F22 Battery x 1 (without)