Feature:1. 3 WAVELENGTHS: Handheld PON optical power meter, can test 1310nm, 1490nm, 1550nm wavelengths at the same time, convenient and reliable.2. TEST INTERFACE: Support FC SC interface adapter, and with USB interface, which can be connected to external power.3. MULTIPLE FUNCTIONS: Support data storage, auto power off, backlight selection, auto calibration, user calibration, threshold setting, has multiple functions.4. LCD DISPLAY: The optical power meter adopts color LCD display screen design, the test results are clear at a glance, and it supports 10 data storage.5. COMPACT SIZE: The optical fiber power tester has compact structure, simple button interface, simple operation and has a wide application range.Specification:Item Type: Optical Power MeterModel: AUA 320UMaterial: ABSDisplay: Color LCD ScreenDetector Type: For InGaAsFiber Type: SM9 125mData Storage: 10Data Interface: Micro USBPower Supply Mode: 3 x AA batteries required, and can also be used with an external power supply (USB 5V port), not rechargeable! (not included battery)Wavelength: 1310nm, 1490nm, 1550nm can be tested at the same timeTestable Connectors: SC FC connectors.Package List:1 x Power Meter1 x Storage Bag1 x Lanyard1 x User Manual2 x SC/Adapter (Installed on Meter)2 x FC Adapter