LED alarm clock with light,indoor temperature ,clock display, alarm with snooze, alarm sound with volumn VOL1-VOL5 adjust. Light default 12:00pm-08:00 am light on for wake up ,Light will weak to strong change and keep 30minutes. Alarm is off ,the light off. Sensor control light for keeping 40 seconds. Light default 18:00-5:59 am light will be strong light to weak for sleeping accompnior. Timer feature 1-59minutes.