... simultaneously. Perfect for your rear view camera, DVD player, or GPS navigation system. Automatic override ... video inputAV1 connects to car DVD, VCR and other video equipment;AV2 to car backup camera4.Parking rearview ... size design for easily installed in the behind of car 5.Waterproof, Shockproof ,antifog ,high temperature resistance ... it with a LCD screen ,DVD Player,sunvisor,rearview mirror