11.6 Inch Digital Calendar Alarm Day Clock 12 24 HR AM PM Date and Day 5 Alarm Digital Clock for Seniors 100‑240V US Plug Item Type: Digital Day Clock Material: ABS Remote Control Battery: CR2025 Button Cell (Not Included) Clock Size: 11.6in Resolution: 1024x768 Color Change: 4 Colors Alarm Clock: 5 Groups Interface: DC Power Port, Micro USB, USB2.0, 3.5mm Headphone Port, Storage Card Slot (Maximum 32G, Without Storage Card) Time Mode: 12/24 Hours System Date Mode: Day Month Year or Month Day Year Brightness Auto Adjustment: Support (Day and Night Brightness Auto Switching) Power Failure Save Time: Support 7 Time Periods: 4:00 am - 11:59 am (morning), 12:00 am - 4:59 am (noon and afternoon), 5:00 pm - 8:59 pm (evening), 9:00 pm - 11:59 pm (evening), 12:00 pm - 1:59 am (midnight), 2:00 am - 3:59 am (early morning hours)