?Date/Time display， 12/24 hour systerm conversion; Alarm clock function: 5 minutes snooze function; Temperature unit can switch to ▲C/▲F; Temperature measurement range:- 10▲C ~ 50▲C; Resolution: +/-1▲C; Temperature measurement sampling period: 60s; Two colors of backlight for choices;Measurement range : DC 12-24V.<img src="http://112.74.112.28/down/products/433002/433002_000.JPG">