Range: 15-km@SM Screen Resolution: ±0.1 dB Power: Li-ion battery 100% brand new and high quality Wavelength: 850/980/1270/1300/1310/1490/1550/1577/1625/1650nm Laser Safety Rating: Class 2 Dimensions: 120*70.5*27.5mm / approx. 130g Connector: 2.5 mm Universal Power: 15mw Power Linearity: ±0.1 dB Connectors: Universal Accuracy: ±0.2 dB Output Modes: Continuous (CW), 1Hz/2Hz Measurement Range: -70~+10 dBm Sensor Type: InGa As Wavelength: 650nm±30nm * Handheld optical power testers are mainly used for continuous measurement of optical power, testing of optical fiber link loss, and testing of optical fiber line on and off. * Widely used in optical cable construction and maintenance, optical fiber communication, optical cable sensing, optical CATV, and other fields. * The fuselage design meets the requirements of human body function and adopts advanced thermoplastic molding technology, which is beautiful and durable. * The tester has a compact shape, automatic shutdown function, backlight display, wavelength memory function, support for user calibration, wide test range, and support lighting. * This handheld mini optical power meter has a Universal 2.5 mm interface, supports FC, ST, and SC connectors. Package Included: Fiber Optic Cable Tester Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color shown in the pictures. 2. Please allow 1-3cm measuring deviation due to manual measurement.