JS series digital display time reply is a significant production of our company which fetched in advanced foreign technology and developed. These series adopt large-scale integrated circuits and COMS circuit, with the merits of high accuracy, full-function, the wide-scope delay, clearly LED display, it works stable and reliable, digital dial settings and so on metits. The digital display time relay is the new generation products of electrodyamic type time reply JS11 and transistor type JS14A, JS20.