The Mini Pro OTDR by Jonard Tools is an advanced device designed for professionals in the fiber optic and networking fields, offering a comprehensive testing range of 500 meters to 60 kilometers. It features an impressive 600 MB of internal storage, complemented by a MicroSD/TF card slot for additional memory, ensuring ample space for storing essential data. Equipped with a built-in rechargeable lithium-ion battery, this lightweight device provides power on-the-go, making it ideal for field testing. Incorporating a bright 3.5-inch color LCD screen, the Mini Pro OTDR makes data evaluation straightforward and efficient. The robust rubberized hard plastic case offers superior durability with shock-proof and drop-proof construction, allowing it to withstand the rigors of daily use. This versatile tool boasts eight distinct functions for testing and assessing fiber optic and network cables, ensuring that you can tackle various tasks with ease. Whether you're performing loss accuracy measurements or utilizing its advanced features tailored for G.652 single-mode fiber, the Mini Pro OTDR stands out as a reliable partner for all your testing needs.