The Portable Fiber Optic Cable Tester with Visual Fault Locator and Universal Interface is an indispensable tool for professionals in the fiber optic and networking industry. This versatile device measures 8 standard wavelengths (850/980/1300/1310/1490/1550/1625/1650nm) with a test range of -70dBm to +6dBm, ensuring accurate and reliable readings for various applications. Equipped with a built-in 2mW visual fault locator (VFL), it supports lighting, automatic shutdown, backlight selection, wavelength memory function, and user calibration, enhancing its functionality and ease of use. The tester features a universal FC/SC/ST interface and supports RJ45 testing, making it compatible with different fiber optic connectors and network cables. With simultaneous display of linear mW and non-linear index dBm, this device provides precise measurements and clear readings, essential for fiber optic technicians and network installers. Designed with test precision and fine workmanship, this lightweight and portable tester is easy to carry, effectively replacing the need for separate optical power meters and red pens. The package includes an English manual, and we offer lifetime friendly customer service. If you encounter any issues, please contact us for prompt assistance and support. Invest in this reliable and efficient fiber optic cable tester to ensure the accuracy and performance of your fiber optic networks. Material: PVC.