Feature: 1. Multifunctional: This optic fiber test CCTV tester is multifunctional, with diverse functions such as fiber optic communication measurement, network cable sequence, optical power meter, stabilized light source, VFL, RJ11 wire finding and so on. 2. High Performance: This multifunctional fiber optic tester has good performance and is used for signal power testing, insertion loss testing, etc. for all kinds of equipment and optoelectronic components. 3. Clear Test Boundary: This OTDR multi function tester has a clear OTDR test boundary, which allows you to clearly see the loss distribution curve of the fiber and cable, fiber distance, loss and attenuation data. 4. Excellent ABS Material: This optical time domain reflectometer's case is made of excellent ABS material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 5. Wide Application: This optic fiber OTDR tester has a wide range of applications and can be used to accurately determine the location of fiber optic faults, as well as to detect near end faults in bare fibers, fiber optic patch cords and other fibers and cables that can leak red light, and in high loss areas caused by microbends. Specification: 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 Lithium 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). Package List: 1 x OTDR Fiber Optic Tester 2 x Connecting Cables 1 x Crocodile Clip Line 1 x Earphone 1 x USB Cable 1 x Plug 6 x Accessories 1 x Wire Stripper 1 x Cable Locator 1 x Storage Bag 1 x Portable Strap 1 x Manual