OTSUKA OPTICS Co., Ltd. is located in Tokyo, Japan and produces the SKKL Series of LED light boxes. The SKKL Series offers a range of models with interchangeable round lenses ranging from 2x to 15x magnification. LED lights have an estimated lifetime of 40,000 hours and use 75% less energy than fluorescent light boxes, resulting in significant savings on operating costs over the lifetime of the product. The document provides technical specifications on the SKKL Series, including power consumption, input voltage, lighting intensity, and interchangeable lens options. It also includes an overview and images of the various SKKL model types available, such as floor stands, bench stands, arm mounts, and box stands.