Multi-zone time display: keep track of time in three different time zones with just a glance at the dial, ideal for international business users and worldwide operating families. STYLISH DESIGN This world clock is a stylish addition to any room, designed for simple and elegant wall mounting. Radio controlled DCF synchronization: equipped with radio controlled DCF synchronization, the watch always provides accurate time without manual settings. AUTOMATIC SUMMER / WINTER TIME SETTING: With the automatic switch to summer and winter time, this watch offers convenience by adapting itself to seasonal changes. READY TO USE: For instant convenience after purchase, make sure you order the 4 x 1.5V AA/LR6 batteries so your watch is ready to use.