: Based on seniors care need , we've redesigned our clocks with clear voice speaking out Date Week and Time, easy for the elderly to read and hear; with 1280*800 HD display suitable as a wall or living room bedroom clock; Analog + Digital Clock with SunMoon icons, suitable for the office and learning kids; Memory battery included and outlet powered, no AAA battery required, safe and convenient & : our calendar clock has an internal battery, which will help remember time date and save settings after power outage, no need to manually reset. With auto DST feature to adjust time in March and December. No need to spring forward or fall back manually. You can turn it off if you prefer no DST & :: soft light, without blue light, no eye injury. You can choose non-abbreviated or abbreviated day date themes. More alarms such as drinking some water, medications, wake up, or custom 20 more re