Date/Hour?? Week/Second Display. Switch the display between 12-hour and 24-hour</br>Alarm Clock. Snooze function with 5 minutes interval.Switch Temperat</br>Measure temperature?? measurement range: -50C-70C</br>Sampling period of thermometer? 20 seconds. Car battery voltage indicator.</br>LED backlight with double colors optional? LED backlight is on and lcd show all with automotive power. No backlight?? and LCD screen only show time with spare battery power (not included)</br></br>Product Description</br></br>How could you know the temperature outside and inside of your car?? the time and date?? the volt of your car battery?? or a frost? You just need to take a glance of this item?? you can know all these. This fantastic multi-functional display plugs directly.		****Package includes	Temperature Voltage Detector x 1; Instruction x 1***</br><br/>http://www.amazon.com/gp/product/B00L53XLR0