The Eclipse MT-7620 Mini Touch-Screen Optical Time Domain Reflectometer (OTDR) enables optical testing and intelligent optical link analysis. It has a user-friendly interface that is similar to using a cell phone. With a 3.5" color screen, it has excellent touch feedback and smooth operation. It is capable of vertical and horizontal reading. The complete event map displays accurate test results and shows everything. The OTDR has a measuring distance of 80km and it provides 10 wavelength tests. It features a stable laser source with constant and flashing modes. Upload data to a computer with the included free software.