3" screen. But I'll really have to get something before long, as being the regular screen just helps make my motor vehicle appear previous, whereas the Coho just one made the car feel and appear more recent. Pretty https://www.caraudiocoho.com/products/mazda-3-car-radio-multimedia-player-1025screen-123screen-2014-2019-android-100-1920720-octa-core-6-128g-andriod-oem-system