LED alarm clock with temperature-- alarm function: optional 5 alarm settings with "beep" sound lasting 1 minute, and each alarm can be individually turned on or off. Clocks-- powered by the included dc 6v USB cable or 4 * aaa batteries (not included). Clock-- voice control wake-up function: it also works in voice mode. make some noise (clap your hands, rap on the table or pat the clock) nearby can wake the . LED wooden alarm clock-- adopts green LED digits to show the date, month, time (12-hour /24-hour system for choice) and temperature (°c /°f display for choice) . LED desk clock-- shell color: mainly white. LED light color: green. material: durable hard imitation wood and plastic.