Feature 1Smart Light Sensor: This digital clock is designed with smart light sensor, LED light dims at night and brightens at daytime. 2Temperature Display: This digital alarm clock supports temperature display( and ), show you the current room temperature accurately. 3Snooze Function: This bedroom clock supports alarm and snooze function, meeting your basic needs for daily life and office working. 4Large 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. 5Wide Application: This small digital clock with large LED screen is perfect for desk, bedroom, living room, office, dormitory, etc.Item Type: LED ClockMaterial: ABSBattery Type: 3 x AAA Batteries(Battery Not Included) .Package List1 x LED Clock1 x USB Cable1 x User Manual