Multifunctional Optical Power Meter White Sensitive Fiber Tester for Communication Engineering Item Type: Multifunctional Optical Power Meter Material: ABS Wavelength Range: 800-1700nm Optical Connector: Universal connector (SC/FC/ST) Connector Type: InGaAs Measurement Accuracy Error: <±5% Measured Standard Wavelength: 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm Display Resolution: Linear display 0.1%, logarithmic display 0.01dBm Identifiable Frequency: 270Hz, 300Hz, 1kHz, 2kHz Power Supply: 2 x AAA batteries (shipped without batteries) Battery Duration: Greater than or equal to 120h (optical power meter function) Automatic Power Off Time: 10 minutes Color: White