Type: Optical Power Meter Power Range: -70~+6dB Function: Optical Power Meter / Red Light Pen / Network Cable Tester Wavelength Range: 800 to 1700 Uncertainty: ±0.2dB Interface: Universal FC/ST/SC Power Supply: Built-in rechargeable lithium battery Application: FTTH, FTTX Dimensions: 122mm(L)x66mm(W)x30mm(H) Standard Wavelengths (nm): 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, 1650nm Weight: 140g 100% Brand New and High Quality 1. Handheld Optical Power Meter with integrated red light pen function, primarily used for continuous optical power measurement, optical fiber link loss testing, and optical fiber line on/off testing. 2. Controlled by a single-chip microprocessor with comprehensive functions. Widely used in optical cable construction and maintenance, optical fiber communication, optical cable sensing, optical CATV, and other fields. 3. Ergonomic body design utilizing advanced thermoplastic molding technology for beauty and durability. Built-in detectors and lasers protect the red light source. 4. Compact design with auto-off function, three red light modes, backlight display, wavelength memory, fiber optic work identification, user calibration support, wide testing range, and illumination support. 5. Functionality: Measures 8 standard wavelengths (850/980/1300/1310/1490/1550/1625/1650nm), with a testing range of -70dBm to +6dBm, and a 15mw red light source. Package Includes: Fiber Optic Cable Tester Notes: 1. Actual color may vary slightly due to monitor and light effects. 2. Please allow for a 1-3 cm measurement deviation due to manual measurement.