Basic performance of ch-ds timers
Time, minutes, seconds, six-bit led shows, countdown。
▪ mark a little relay output, 2-time settings。
▪ auto-activation of up-to-power, external trigger-activation, and the panel manually initiates three types of start-up。
▪ mark with a 2-point switch input for start-up and reset external switch control。
▪ optional communication interface。




