Rc weather station cloc Auto dst for rc time world time zone 7 languages available for day display: (english/french/german/spanish/italian/dutch/danish) Indoor thermometer & hygrometer Rf outdoor thermometer with 3 channels Temperature tendency Min. & max. Temperature record Alert for temperature upper limit & lower limit Graphics mode weather forecast Moon phase display Condition easiness indication Backlight With outdoor wireless sensor Radio controlled clock available (erf-553d) Unit size: 160*87*46mm.