Feature:1. MEASUREMENT OBJECT: Handheld optical power meter series products are mainly used for continuous optical signal power measurement, use a single microprocessor to control, possess complete functions2. WIDE APPLICATION: Optical power meter is widely used in optical cable construction and maintenance, optical fiber communication, optical cable sensing, optical CAT and other fields3. ACCURATE AND SAFE: The fiber power meter has a built in detector that makes it well protected. Support multi band high accuracy light decay test with color LCD screen display4. VARIOUS FUNCTIONS: The optical power meter has a small shape, automatic power off function, wavelength memory function, support manual calibration, fiber optic work recognition, wide testing range5. FAST RECOGNITION: The fiber light meter support automatic frequency recognition function, and the corresponding frequency icon is automatically displayed when the fiber frequency is received6. BATTERY INFORMATION: Network cable tester with large capacity lithium battery, more lasting. Battery power 5 grid real time display, remaining power at a glance. Mobile phone charging adapter and mobile power supply can be used to charge the deviceSpecification:Item Type: Optical Power MeterMeasuring Range (dBm): -70~+10Wavelength Range: 800~1700Interface Type: 2.5mm universal adapterProbe Type: For InGaAsDetection Area (um): 300Uncertainty: 5%Standard Wavelength (nm): 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625Display Resolution: Linear Display: 0.1%, Logarithmic Display: 0.01dBmOperating Temperature (): -20~+60Storage Temperature (): -25~+70Drop Height (m): 2Static Current (uA): 2Working Current (mA): 35Charging Current (mA): 300Charging Time (h): 3Automatic Shutdown Time: 10minEndurance (h): 13Standby Time (Day): 3Power Supply: Lithium battery or USB external power supplyBattery: 1 x Rechargeable lithium battery 400mAh.Package List:1 x Optical Power Meter1 x USB Cable1 x User Manual