1、Smart Light Sensor: This digital clock is designed with smart light sensor, LED light dims at night and brightens at daytime. 2、Temperature Display: This digital alarm clock supports temperature display(℃ and ℉), show you the current room temperature accurately. 3、Snooze Function: This bedroom clock supports alarm and snooze function, meeting your basic needs for daily life and office working. 4、Large Buttons: This desk clock adopts large LED screen and large buttons. And it can be powered by USB cable or 3 pieces of AAA batteries. 5、Wide Application: This small digital clock with large LED screen is perfect for desk, bedroom, living room, office, dormitory, etc. Item Type: LED Clock Material: ABS Battery Type: 3 x AAA Batteries(Battery Not Included) 1 x LED Clock 1 x USB Cable 1 x User Manual