Features 1、Wide Application: This multifunctional optical power meter is widely used in fiber optic cable construction and maintenance, fiber optic communication, fiber optic cable sensing, optical CAT and other fields. 2、4 In 1: This multifunctional optical power meter combines optical power meter, fault location, network alignment, and LED lighting in one device. 3、Supports Multiple Interfaces: This multifunctional optical power meter supports user calibration and supports SC, FC, and ST interfaces. 4、Multifunctional: This multifunctional optical power meter has the function of automatic off, adjustable power, wavelength memory function, automatic identification of working frequency, support for illumination, storage and so on. 5、Compact And Portable: This multifunctional optical power meter is small and lightweight, making it very convenient to carry around and use. Specification Item Type: Optical Power Meter Material: ABS Wavelength Range: 800 to 1700 Detector Type: InGaAs Measurement Range: -70-+10dBm Uncertainty: ±5% Standard Wavelength: 850nm, 980nm, 1270nm, 1300nm, 1310nm, 1490nm, 1550nm, 1577nm, 1625nm Display Resolution: Linear Display: 0.1%, Logarithmic Display: 0.01dBm Red Light Operating Wavelength: 650nm Test Range: 15KM Frequency Recognition: 0Hz, 270Hz, 1000Hz, 2000Hz RJ45 Wire Searching Distance: Approx. 200m/7.87in Operating Temperature: -10-+60°C Storage Temperature: -25-+70°C Automatic Shutdown Time: 10min Battery Continuous Working Time: ≥48h (Single Power Meter Measurement) Battery : Rechargeable Lithium Battery 1100mAh x 1 ( Shipped With Built In Battery ) Package List 1 x Multifunctional Optical Power Meter 1 x USB Cable 1 x Portable Rope 1 x Ceramic Tube 1 x Manual