MDF LED clock

Functions:
* time display, 12/24 switchover
* snooze function with 5 minutes interval
* calendar function, display year (year 2000 ~ 2099), month, date and day
* daily alarm
* temperature function: range from 0℃- 50 (32˚F - 122˚F), ℃/℉switchable 
* auto switch display function: switch from time, alarm, temperature automatically
* auto half brightness function: half brightness available from 6:00pm to 7:00am
* manually adjust brightness: high-brightness, half-brightness, no brightness
* external power off protection function: load in built-in battery
* powered by: 5V DC adaptor (excl.) + CR2032 (incl.)