Desk & Shelf Clocks Features: Dimensions: 6 x 6 x 6 cm Material: medium density wood fiber (not solid wood) Output adapter: DC 5V / 500MA -1000MA Power supply: powered by USB adapter or 3 * AAA batteries (not included) Package includes: 1 * Black wood white alarm clock features: [Multi-function alarm clock] This digital wooden clock is a multi-function clock with date, time, temperature display, 3 groups of alarm clocks are adjustable, 2 display modes display time (12/24 hours), and brightness is adjustable. [Brightness adjustable] This electronic clock can manually select bright/medium/low light level 3 brightness, suitable for any room in the home or even a workplace. [Dual power supply] This wooden alarm clock is equipped with a USB power cord or can be operated with 3 AA batteries (batteries not included). If the clock is battery-powered, we recommend that you switch the alarm clock to energy-saving mode, because the clock with a rechargeable battery can only last about 2-3 days. Therefore, we recommend that you use the cable for daily use. [Modern design] This wooden alarm clock is made of fashionable synthetic wood environmentally friendly materials, bringing the breath of nature into your home. Wooden structure, fine workmanship, white LED light display. Modern design makes this wooden alarm clock a decoration for your bedroom, home furniture or office. Note: We send according to the color of the first picture and the quantity of the title. If the title is not written, follow the content in the description.