2) Date/hour,week/second display function,can 12/24 hour system conversion
3) Alarm clock function
4) Love to sleep function of 5 minutes
5) Can switch display temperature: ?/?
6) Measure temperature,measure bound: -50?~70?
7) Temperature show resolving power: 1?,temperature veracity: +-1.0?
8) Measure temperature and sampling periods: 20 second
9) LED be in a poor light function,when using car power supply have be in a poor light,display LCD full content,if using spare battery power supply,not have light,LCD only display time.
10) The car's storage battery voltage show function
