KT201 4.5'' + 4.3" LCD Digital Indoor / Outdoor Thermometer / Humidity Meter - White (1 x AA)
Indoor/outdoor temperature/humidity display Celsius degree / Fahrenheit degree temperature switch display; Maximum/minimum temperature and humidity memory function; 12/24 hour clock clock display; 5S automatic display date; Hourly chime function; The daily alarm clock function; Calendar display function; System Tray; Time/date/lunar calendar conversion automatically display; Battery: 1.5V 1 x AA.