The Jonard Tools FLS-55 Fiber Optic Light Source is designed for versatility and durability, featuring both multimode and singlemode wavelengths for a range of applications. With modulation outputs including CW and frequencies up to 2 kHz, it provides reliable testing capability at varying wavelengths of 850/1300 nm for multimode and 1310/1550 nm for singlemode fibers. This device comes equipped with FC, SC, and LC adapters for seamless connectivity to various fiber connectors, ensuring compatibility and ease of use in the field. Its shatter-resistant sleeve and flush button design enhance its robustness, preventing dust ingress while safeguarding the internal components from potential damage. Highly stable output power ensures accurate measurements, making it a practical tool for professionals engaged in fiber optic installation, maintenance, or troubleshooting. Furthermore, with compliance to RoHS standards, it reflects a commitment to both performance and environmental responsibility.