9 in 1 Optic Fiber Cable Tester APC OTDR with Optical Power Meter Visual Fault Locator Line Finding Event Map 100‑240V EU Plug Item Type: Optical Time Domain Reflectometer Material: ABS Model: AUA513A Feature: Can test with light Connector Model: APC Optical Power Meter: -50 to +26dBm Stable Light Source: 1310nm Test Range: 80km Four Languages Can Be Switched: Chinese, English, Portuguese, Spanish Save Test Data: 100,000 sets (with 32GB memory card) Display: 4.3 inch 800x480P IPS capacitive LCD touch screen Power Supply: 7.4V 2200mah polymer lithium battery x 2 (built in) Rj45 Receiver Power Supply: 9V6F22 battery x 1 (not included) VFL Interface: 2.5mm universal SC FC ST OTDR Stable Light Source Interface: Can be freely replaced with SC APC, FC APC 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