This mirror monitor replaces your existing rear view mirror and comes with a built-in hidden dash camera to record full HD video out the front windshield. ***This monitor also includes parking mode, motion detection and a G-Sensor for event recording. It comes with a camera port as well so a backup camera can be connected making this monitor ideal for multiple functions. It serves as a rear view mirror, can display a backup camera and has a forward facing camera to record out the front. Talk about a powerful monitor!