Feature: 1. MULTI FUNCTIONS: OTDR tester can be used to evaluate the construction and maintenance of FTTx and access network, identify optical fiber breakpoints, measure the length of optical cable, and calculate the relative optical power loss. 2. USB INTERFACE: The OTDR optical fiber tester has a USB data interface, convenient for further data analysis or processing. 3. TOUCH SCREEN: Composed of 3.97in color touch screen and button area, this optical fiber tester is easier to operate. 4. LONG BATTERY LIFE: Built in 7.4V 4400mAh battery, the OTDR fiber optic tester can be used for more than 5,000 times. 5. HIGH PERFORMANCE: The tester has wide measurement range, supports multiple wavelengths, allows a wider applications. Specification: Item Type: OTDR Fiber Optic Tester Material: ABS Model: AUA280A Connector Type: APC OPM: -50 to +26dBm Wavelength: 1310/1550nm (24/22dB), 1310/1550nm (26/24dB), 1550nm (20dB), 1610nm (20dB) Voltage: 100-240V Input voltage: 8.4V 0.5-1A Plug Voltage: 100-240V Dynamic Range: 24/22dB, 26/24dB, 20dB Measuring Distance: 0-60km Fiber Optic Connector Type: 9/125??m SM Test Type: FC/PC, SC/PC (FC/APC SC/APC Optional) Unit: Meter, inch, mile Reflection Blind Area: 2m Data Storage: 200 groups Display: 3.97 inch Resolution: 800x480P IPS screen (touch screen) Power Supply: 7.4V 4400mAh lithium ion battery (built in) can be used for more than 5000 times Visual Fault Locator: Wavelength: 650nm Output power: >=10mW Mode: CW, 1Hz, 2Hz Optical Fiber Type: SM, MM Optical Power Meter: Measuring Range: -50 to +26dBm Wavelength Range: 800-1650nm Calibration Wavelength: 850 1300 1310 1490 1550 1625 Detection Type: InGaAs Connector: Replaceable FC/PC SC/PC (ST as Optional) Optical Light Source Emitter: FP LD Wavelength: 1310/1550nm Connector: FC/PC (SC/ST as Optional) Output Power: ??-5dBm Fiber Type: SM. Package List: 1 x OTDR Fiber Optic Tester3 x Manual1 Bag x Swab 1 x Light Disk1 x Lanyard1 x SC Connector1 x FC Connector1 x USB Cable1 x Power Cable1 x Storage Bag1 x FC to LC Adapter