A feature of SII is its exceptionally broad lineup of products, made possible by technology the company has cultivated since its founding, to serve the varied needs of customers in the fields of watches, precision mechatronics, and electronic devices.

In relation to components and units, SII offers product groups that run the gamut from industrial systems to consumer applications, typified by thermal printers that have emerged as bestsellers in the mini printer industry, and electronic devices such as crystal oscillators and micro-batteries.