Features: 1.Alternately display time(13 seconds) and temperature(3 seconds) in solid display mode 2.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 3.Time display 12-hour or 24-hour mode 4.°C/°F display of thermometer 5.Alarm Clock with ""beep"" lasting for 1 minute 6.Buttons Definition---""SET"", ""UP"", ""DOWN"" 7.Dual Power Supply: DC input or battery (4 x AAA, not included) Description:Specification: 1.Material: Wooden Framework with Graining Coat 2.Color Available:Black,White,Brown,Bamboo 3.Font Color:Green,Red 4.Size: 60 x 60 x 60 mm / 2.36 x 2.36 x 2.36in (W x H x D) Cable Length: 100cm 5.Power: Battery: AAA x 4 (not included) or DC 6V input, PC USB port is available 6.Please note: The ""VOICE"" mode only be available when you use the batteries, that is the ""Power Saving"" mode Package Included: 1 X LED Desk Alarm Clock note: The ""VOICE"" mode only be available when you use the batteries, that is the ""Power Saving"" mode Important Notice: 1.This product is made from wood. Please keep in a dry environment. 2.Please use high alkaline AAA batteries for this product. 3.When the LED display light becomes less visible or flashes continuously, this means you must replace the batteries soon. 4.Please ensure that you place the batteries in straight alignment,so that all the batteries are functioning together. 5.Please set this Alarm Clock as per these Operating Instructions Disclaimer: This clock is made of imitation wood, not real wood.