Description: This LED clock can be clapped or tap the alarm clock to wake up the backlight, making it easy to check the time and temperature at any time. The LED clock is very helpful for waking us up in the morning. And it features temperature displaying, date displaying and voice control mode. It is constructed of plastic material. The length of this LED clock is 10.5cm, the width is 10.5cm and the height is 4cm. It is suitable to use in bedroom, kids room, students dorms and so on. Item Name: Alarm Clock Material: Plastic Features: Temperature Display, Alarm, LED, Easy to Set Power Supply: 3 x AAA Batteries(Not Included), DC 5.0V Power Supply Temperature Detection: Indoor Minus 9.9 Celsius to 50 Celsius(15 Fahrenheit to 122 Fahrenheit) Brightness Adjustment: Four Gear (High Light/Medium Light/Low Light/No Light) Function:Time (12HR/24HR), Alarm Clock, Temperature Detection, Clap to Wake Up, Night Mode Size Details: LxWxH: 10.5cm x 10.5cm x 4cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. The product can be powered by a USB power cord, or you can use 3 AAA batteries by yourself. You can manually set and adjust the start time of the night mode, and the night mode will be turned on within the interval you set. Package Includes: 1 x Alarm Clock 1 x USB Power Cord 1 x 7 Languages User Manual (English, German, French, Spanish, Italian, Dutch, Danish)