Product descriptionSize: 8 inchesResolution: 1024x768Screen ratio: 4:3Brightness: 350cd or m2Functions: clock, perpetual calendar, support for multiple languages, plus 7 buttons (left and right direction keys, up and down flip keys, stop key, menu key, enter key) simple and convenient operationMaterial quality: ABS plasticProduct size: 21.5x17x2.4cmInput power: 5V or 1.5A (US regulations)Time mode: 12 or 24 hoursColors: White, BlackAccessories: 1x8 inch digital electronic clock, 1x power adapter1.LARGE SCREEN DISPLAY - This unique 8 inch high resolution digital alarm clock clearly spells out the time, period of the day, full day of the week, month and date in large, clear letters with no confusing abbreviations.2.UNIQUE FUNCTIONS - The day clock is the only one of its kind to include a set of multi-function alarms. Set up to 12 daily alarms, with the option of reminders to take medications throughout the day.3.AUTO-DIMMING - To reduce the trouble of light on the sleepers, brightness is automatically reduced between 7pm and 7am. You can set different degrees of brightness to fit the dark room.4.BATTERY BACKUP - This day clock also has battery back up a in case of a power outage, it automatically resets to the correct time and date when the power returns.5.PERFECT GIFT - The words dementia, alzheimer's and memory loss are intentionally excluded from the packaging, making it a great gift.