Finder mechanical digital daily weekly astro time switch 250vac 16a finder 129282300000 the electronic digital timeswitch finder 129282300000 is rated at 230vac 16a it is a 385mm wide weekly timer with an astro program that can calculate sunrise and sunset times through date time and location coordinates longitude and latitude the offset function allows programming of switching times offset or from the astrological time the minimum time interval setting is 1 minut