OTDR Fiber Optic Tester Multifunctional 1625nm Single Wavelength 22dB Optical Time Domain Reflectometer Item Type: OTDR Fiber Optic Tester Material: ABS Center Wavelength: 1625nm Fiber Type: Single Mode Minimum Event Blind Area: 10m (Single Mode) Dynamic Range: 22dB Measurement Range: 0.2km, 0.5km, 1km, 2km, 4km, 8km, 16km, 32km, 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 Setting Range: 1.00000-1.99999 Fiber Cable Correction Factor Range: 0.80000-1.0000 RJ45 Line Sequence Testing: Network Cable Sequence Testing With Cable Checker Optical Power Meter Measurement Range: -50dBm-+26dBm VFL Output Power: >10mW RJ11 Line Finder: RJ11 Interface Emitting Telecommunication Signals For Use With Detector LCD Display: 320x480, 3.5 Inch Color LCD Interfaces: USB, Memory Card Interface Languages: Simplified Chinese or English Environmental Adaptability: Storage Temperature: -40°C-70°C, Relative Humidity: 5%-95%, Non Condensing Size: Approx. 173 x 82 x 36mm / 6.81 x 3.23 x 1.42in External Storage Type: Memory Card (Memory Card Not Included) Main Unit Battery: Internal Li Battery 3.7V, 4000mAh x 1 (Included), Battery Working Time: 10 Hours (At Room Temperature) Line Finder Battery: 9V 6F22 Battery x 1 (Not Included)