Optical Fiber Tester 4.3in LCD Power Meter Fault Locator OTDR Optical Time Domain Reflectometer 100‑240V EU Plug 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) 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