Hi,
Yes, that is the beauty of it: you just plug in the cigarette lighter and the cord for it is long enough for most cars (I tested on all my cars). The screen dimension from www.garmin.com is:
3.3" W x 1.7" H, 305 x 160 pixels; bright, automotive-grade 8-bit, 256 color LCD display with automatic dimming backlight and touch screen