Characteristic: 1. MAIN OBJECTIVE: This fiber optic power meter is mainly used do measure the continuous power of optical signal, controlled by single-chip microprocessor, with full functions. 2. BUILT-IN DETECTOR: This fiber optic power meter features a built-in detector that can be well protected and will not be easily damaged, ensuring long-term test accuracy. 3. MULTIFUNCTIONAL: This optical power meter supports functions such as lighting, automatic shutdown, memory wavelength, operating frequency recognition, user calibration and more. 4. UNIVERSAL INTERFACE: With its universal interface, this tester of optical power supports SC FC ST 3, plug and play interfaces. 5. LONG DURABILITY: Built-in long-life lithium-polymer battery, supports multiple charging methods via USB, such as power bank, adapter, USB computer, car charging, etc. . OPTICAL POWER METER OPTICAL FIBER FLASHLIGHT Specification: Item Type: Fiber Optic Power Meter Material: ABS Wavelength Range: 800-1700 Probe Type: InGaAs Measuring range: -70-and6 Uncertainty: 5% Standard wavelength (nm): 850 980 1270 1300 1310 1490 1550 1577 1625 Display Resolution: Line Display: 0,1% logarithmic display: 0,01 dBm Frequency identification (Hz): 270, 1000, 2000 Static Current: ≤18uA Operating Current: ≤25mA Range time: ≥20H Charging Voltage: 5 V Charging Current: ≤500mA Charging time: ≤3H Automatic shutdown time (min): 10 Power supply: lithium battery charging, external input Battery: 400 mAh x 1 lithium battery (built-in) . OPTICAL POWER METER OPTICAL FIBER FLASHLIGHT List of packages: 1 x Fiber Optic Power Meter 1 x USB cable 1 x Portable Rope 1 x User Manual . OPTICAL POWER METER OPTICAL FIBER FLASHLIGHT . OPTICAL POWER METER OPTICAL FIBER FLASHLIGHT