Feature:1. Smart Testing: The optic fibre power meter can test 3 kinds of wavelength at the same time, 1310nm, 1490nm and 1550nm.2. Good Matching: Supports FC SC interface adapter, also has 2pcs SC for coupler and USB interface for connection.3. Practical Use: Comes with various functions, such as data storage, automatic shutdown, backlight selection and so on.4. Calibration Functions: Also enables auto calibration, user calibration and threshold setting supported for easier operation.5. Easy Carrying: Designed to have a compact size and a light weight as well, both the storage and carrying are very easy.How to Use:Install the battery and start using. Specification:Item Type: Optical Fiber Power MeterModel: AUA-320AMaterial: ABSDisplay: Colour LCD ScreenDetector Type: InGaAsFiber Type: SM9, 125μmData Storage: 10 SetData Interface: Micro USBPower Supply: 3 x AA batteries are required, and can also be used with an external power supply through the USB 5V port, not rechargeable. Shipped without battery. Simultaneous Test Wavelength: 1310nm, 1490nm, 1550nm. Testable Connector: SC FC connector, SC for to FC for jumper and SC for coupler are provided. Package List:1 x Optical Fiber Power Meter1 x Storage Bag1 x Lanyard1 x User Manual2 x SC Adapter (Installed on the Meter)2 x FC Adapter Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.