Alternately displays the time, date, temperature. Modes are switched by pressing short button 3. To set the time, date - hold.Supply: standard 12V / 0.5A. (1A or more) DC (Power supply not included). Battery backed-up, DS1307 RTC (real time clock) will stay right on time, set the time once and forget it. If you have any questions happy to answer. All you need to do is solder all parts and you get a clock such as in the photo. This item is in the category "Home & Garden\Home Décor\Clocks\Alarm Clocks & Clock Radios". The seller is "trcorp" and is located in this country: UA. This item can be shipped worldwide.