Features 1、Fast and Accurate: The multifunctional optical power meter has a built in sensitive chip for accurate measurement results and quick response. 2、Strong Functions: Multifunctional optical power meter with relative power calculation and calibration function, stable performance. 3、10 Wavelengths: Can measure 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm wavelengths, covering most of the needs of communications engineering maintenance. 4、Clear Display: The power meter's clear on screen display allows you to take clear readings, both in low and bright light. 5、Automatic Power Off: This optical power meter will automatically shut down after 10 minutes of no operation, reducing power consumption and extending service life. Specification Item Type: Optical Fiber Power Meter Material: ABS Wavelength Range: 800-1700nm Optical Connector: Universal connector (SC/FC/ST) Connector Type: InGaAs Power Measurement Range: -70-+10dBm Measurement Accuracy Error: <±5% Standard Wavelength: 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm Display Resolution: Linear display 0.1%, logarithmic display 0.1dBm Identifiable Frequency: 270Hz, 300Hz, 1kHz, 2kHz Power Supply: Lithium battery 3.7V capacity 700mah (built in) Interface: Micro USB Battery Duration: Greater than or equal to 120 hours (optical power meter function) Automatic Power Off Time: 10min Red Source Function: Working Wavelength: 650nm±30nm Working Mode: CW, 1Hz, 2Hz Package List 1 x Optical Fiber Power Meter 1 x USB Cable 1 x Instruction 1 x Lanyard