This clock with three gears night light for you to adjustable, you can choose most comfortable light at night to use. Can be USB powered, this clock is energy saving and durable to use for long time after charging. Made of ABS plastic material, this alarm clock is durable to use. The length of this clock is 11cm and width is 9.2cm. It is suitable to use in bedroom, kids room, students dorms and so on. Item Name: Alarm Clock Material: ABS Features: Accurate, Convenient, Practical Battery Capacity: 1500mAh Rated Current: 1A Rated Voltage: 5V Batteries: Build-in Rechargeable Battery(Included) Size Details: Size: 11cm x 9.2cm(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. Package Includes: 1 x Alarm Clock 1 x Charging Cable 1 x User Manual