Multi function: This alarm clock displays time and temperature. It allows you to set three alarm times. The alarm sound is a "beep" that lasts approximately one minute. Press any button on the back of the clock to turn off the alarm. Power supply: The clock can be powered via USB or by 4 AAA batteries (not included). When using batteries, it is recommended to use voice-activated power saving mode, as continuous lighting mode typically lasts 3-5 days. Brightness adjustment: The soft LED light projects onto a smooth wooden surface with three adjustable brightness levels: L1 (brightest), L2 (medium), L3 (low). Voice control: The wooden clock activates with sound. Simply clap hands, tap the table, or knock near the clock to wake up the display. Material: This digital alarm clock is made of wood, making it a great addition to home decor. It serves as both a functional alarm clock and a stylish desktop accessory. Specification: Condition: Material: Wood (white finish) with white LED light Battery: 4 x AAA (not included) Product size: Approx. 150 x 40 x 70mm / 5.9 x 1.57 x 2.7in Weight: Approx. 240g Package included: 1 x Wooden clock 1 x USB cable Note: Measurements are manually taken; please allow 1-3cm variation. Due to lighting and screen display differences, slight color variations may occur. Please refer to the physical product received.