Features:1.Alternately display time(13 seconds) and temperature(3 seconds) in solid display mode2.It also works in voice mode. Make some noise (clap your hands、 rap on the table or pat the clock) nearby can wake it up3.Time display 12-hour or 24-hour mode4.¡ãC/¡ãF display of thermometer5.Alarm Clock with "beep" lasting for 1 minute6.Buttons Definition---"SET"、 "UP"、 "DOWN"7.Dual Power Supply: DC input or battery (4 x AAA、 not included)Specification:*Material: Wooden Framework with Graining Coat*Size: 60 x 60 x 60 mm *Power: Battery: AAA x 4 (not included) or DC 5V input、 PC USB port is available*When the power is off、 the internal battery will come into operation?*The LED display will be off for energy saving、 but the clock will still be running.The product color as shownImportant Notice:*This product is made from wood. Please keep in a dry environment.*Please use high alkaline AAA batteries for this product.*When the LED display light becomes less visible or flashes continuously、 this means you must replace the batteries soon.*Please ensure that you place the batteries in straight alignment、 so that all the batteries are functioning together.*Please set this Alarm Clock as per these Operating Instructions