★ Power supply: This clock can be powered by USB batteries or 4 AAA batteries. If you use batteries, it is recommended to use the voice-activated power saving mode, as it is usually used for 3-5 days in constant lighting mode. ★ Multi function: This alarm clock can display the time and temperature. And you can set three sets of alarm clocks at different times. The alarm is a "beep" that lasts about a minute. Press any button on the back of the clock to turn it off. ★ Voice Control: This wooden clock can work with voice control. Just make a voice (clap your hands, rapping on the table or tapping in the clock) nearby to wake him up. ★ Brightness adjustment: This soft LED light will be displayed on a smooth wooden with adjustable brightness level. L1: brightest, L2: medium, L3: low light. ★ Material: This digital alarm clock is made of wood, ideal for enhancing your home, not only an alarm clock, but also a desk decoration for modern life.