... 4, Heavy Duty Connection. Model No.: KT9AF01 (9 inch Truck/Bus/Caravan/Van Rearview Survennice System)1, 9V-40V Wide ... for all vehicles such as Bus, Truck, Trailer, Caravan, Vans (Agriculture, Construction, Recreation, Transit, Livestock and Passenger Vehicle Applications) KT9AF01 ... 9V-40V HD Sony CCD 9" Quad 4 Way Car Rearview System also for Truck ...