Torinnov 18-inch Solid Pine Wood Automatic Analog Wall Clock Atomic (WWVB) or App-sync technology can time-sync with clock for worldwide customer Analog dials for time, month, date and day of the week, LCD second (no tick sound) Automatic Perpetual Calendar - Auto changing winter/summer time (DST) and the day of 28th~31st to 1st High time-accuracy IR sensors auto calibration of all hands (Patent no. US 8,934,321) Dark solid wood and Antique design dial