The Eaton Tripp Lite Series Multi-Function Optical Fiber Cable Tester (T020-001-PSF) is an essential device for professionals in telecom and LAN environments. This all-in-one tester allows users to efficiently check fiber optic cables for breaks, insertion loss, and optical power loss. It features FC connectors, with optional SC, ST, and LC adapters available. The power meter supports multiple wavelengths including 850 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm, and 1625 nm, while the light source supports 1310 nm and 1550 nm wavelengths. The visual fault locator includes multiple frequency settings for both continuous and flashing modes, making it easy to identify faults. The easy-to-read LCD interface displays critical information such as power loss measurements, wavelength, frequency, and battery status. The device is powered by three AA batteries, which can be recharged via a USB Micro-B port, and features an auto-off function to conserve battery life. For convenience, the tester comes with a carrying case for easy transport and storage.