Multifunctional OTDR Tester 1550nm Single Wavelength Fiber Tester 24dB Optic Power Meter with Cable Tracer 100‑240VAC EU Plug Item Type: OTDR Tester Central Wavelength: 1550nm Applicable Fiber Type: Single Mode Minimum Event Blind Area: 10m / 32.8ft (Single Mode) Dynamic Range: 24dB Measuring Range: 0.2km, 0.5km, 1km, 2km, 4km, 8km, 16km, 32km, 64km Measuring Pulse Width: 3ns, 5ns, 10ns, 30ns, 50ns, 80ns, 160ns, 320ns, 500ns, 1us, 5us, 10us Sample Number: 64000 Waveform Data Storage Capacity: 500 Refractive Index Setting Range: 1.00000-1.99999 Optical Cable Correction Coefficient Range: 0.80000-1.0000 RJ45 Cable Sequence: Network cable sequence test, use with the cable alignment machine Optical Power Meter Measuring Range: -50dBm to +26dBm VFL Output Power: >10mW RJ11 Cable Tracer: The RJ11 interface emits an electrical signal for use with the detector LCD Display: 320x480, 3.5 Inch Color LCD Interface: Micro USB, Micro Memory Card Power Supply: AC DC Adapter: Range: 50/60Hz Output: DC 5V 1A Interface Language: Simplified Chinese, English Environment Adaptability: Storage Temperature: -40-70℃ Relative Humidity: 5%-95%, no condensation Product Size: Approx. 173 x 82 x 36mm / 6.8 x 3.2 x 1.4in External Storage Type: Micro Memory Card (not included) Tester Battery: 1 x 3.7V 4000mAh Lithium Battery (built in) Battery Working Time: 10 Hours (room temperature) Cable Tracer Battery: 1 x 9V 6F22 Battery (not included)