This small digital clcok can get 5 minutes of extra sleep by pressing the "SNOOZE/LIGHT" button when the alarm goes off, perfect for heavy sleepers. Our digital clock has 2 alarms, independent switch settings, do not interfere with each other,very convenient. The digital alarm clock features a large LED display, you can read the day of the week along with the time without switching screens. The digital alarm clock features a large LED display, you can read the day of the week along with the time without switching screens. AC adapter is not included-Very good for battery savingWhen powered by batteries(not included), the LED display will be off after 8s, it will automatically enter power saving mode and only keep time memory.If you use a cable for power supply, the clock will always be on.Please remove the protective film before use.