Easy to Use & Multi-Functional Small Digital Clock Atomic alarm clock with 3.15 inch clear eye-protection LCD display shows clock time, alarm time, calendar date, day of the week and indoor temperature (/). 6 control buttons are designed on its' top and side for intuitive and simple operation. All settings can be completed in minutes. 12H/24H time format is available. Temperature units can be switched between Fahrenheit and Celsius.