... field of view lens;7, Waterproof, heavy-duty block camera with sunvision, easy to mount and adjust;8, Four video ... 40V Wide Voltage Input Window Bracket is OptionalBuilt-in Speakers with Surround SoundBuilt-in Quad for 4 Video/Audio InputsScreen is ... Split as QuadFit for all vehicles such as Bus, Truck, Trailer, Caravan, Vans (Agriculture, Construction, Recreation, Transit, Livestock and Passenger ...