Function: can measure 10 standdard wavelengths 850/980/1270/1300/1310/1490/ 1550/1577/1625/1650nm , test range: -70dBm~+10dBm.Support LED lighting,Support automatic shutdown,Support backlight selection,Support user calibration.Support /SC/ST universal interface.The light power meter ,Test precision, fine workmanship, easy to carry.Connector Type: SC//STPower meter interface: InGaAsWavelength range: 800 to 1700nmBattery: 2xAA battery(not included)Fiber Type:Single ModeConnector Type:HybridModel Number:-G710A OPMcolor:Photo colorMaterial:plasticsize:180 x 89 x 42mmPackage Contents:1 x Optical Power Meter1 x SC adapter1 x adapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.