... Rearview System, Wireless Monitor with Truck or Bus Camera 9 inch car wireless rearview system with 2.4G HZ ... Monitor Screen size9" TFT-LCD screen (16:9 and 4:3)FunctionWireless receiver monitorEffective distance30m ( the available ... lines420VoltageDC12V~DC32VFeatureShockproof, Night vision, waterproofFunction2.4G HZ wireless NEW- 9 Inch 2.4G Wireless Car Rearview System, Wireless Monitor with ...