Customers satisfaction is very important to us! ^_^If you have any question、 please feel free to contact us at any time、 we will do my best to solve your problem :)Features & Specifications:Glowing LED with different color change.Alarm and sleeping functionSupport 12-hour and 24-hour time format、 calendar、 temperature and alarm.Display Time、 Data Week and TemperaturePowered by 4.5V AC adapter or AAA batteries. (not included).Material: PVCLCD screen powered by 2 x AG13 batteries (included).LED power by 4 x AAA batteries (not included)You Will Receive:1 x 7 Color Led Color Clock