Feature: 1. 9 MAIN FUNCTIONS: With OTDR, event map, optical power meter, red light source, stable light source, light loss test, LED light, RJ45 measuring line, RJ45 line finding function. 2. AUTOMATIC TESTING: The optical time domain reflectometer supports one key testing and automatic data analysis, without the need for additional operations. 3. MULTIPLE USAGES: Used for FTTx maintenance, fiber optic breakpoint identification, fiber optic length measuring, relative optical power loss calculation. 4. FIBER OPTIC TESTING: This OTDR meter can measure a wide range of fiber optic networks, including long distance or distributed fiber optic sensing networks. 5. OTHER DETAILS: The reflector adopts 4.3 inch IPS capacitive LCD touch screen, which is clear and intuitive, with 2pcs 2200mah battery to ensure long term operation. Specification: Item Type: Optical Fiber Tester Model: AUA513U Connector Model: UPC Optical Power Meter: -70-10dBm Stable Light Source: 1310nm Test Range: 80km 4 Languages Switching: Chinese, English, Portuguese, Spanish Save Test Data: >100000 sets (with 32GB memory card) Display: 4.3 inch 800x480 IPS capacitive LCD touch screen Power Supply: 2 x 7.4V 2200mah polymer lithium battery (built in battery) RJ45 Receiver Power Supply: 1 x 9V6F22 battery (not included) Plug Voltage: 100-240V VFL red light source interface (2.5mm universal SC FC ST) OTDR stable light source interface (can be freely replaced with SC UPC, FC UPC) OPM Optical power meter interface (2.5mm universal SC FC ST) Light Loss Test: FC SC Interface, Range: 0-30dB With Line Finding Testing Function: Can test straight line T568B and cross line T568A. Package List: 1 x Reflectometer1 x User Manual1 x USB Cable1 x RJ11 Clamp Cable1 x Power Cord1 x FC Adapter (installed on the machine)1 x SC Adapter1 x RJ45 Receiver1 x RJ45 Remote Adapter1 x Storage Bag1 x Strap1 Pack Cleaning Cotton Swabs1 x Earphone1 x RJ45 Test Line