ZALA LED Alarm Control Digital Desk Clock,Cube USB Wood Wooden LED Alarm Digital Desk Clock (Black +Green Light) 1.This designer LED digital alarm clock is made of imitation wood and its face is enclosed inside the wood. 2.It has LED display of time and temperature alternately. 3.It also works in voice mode. Make some noise (clap your hands, rap on the table or pat the clock) nearby can wake it up. 4.Alarm function.Time display 12-hour or 24-hour mode ,C / F display of thermometer Powered by USB power supply cable or 3 x AAA batteries.