... Discription:this is extension video cable on bus,truck,van,caravan etc, it is with RCA connector for normal video input/output, and with ... ,10m,15m,20m optional.Extension video cable feature: * Extension cable with RCA connector* DC power,video/audio female connector* DC power,video/audio male connector on ... days(according to quantity)welcome OEM and ODM. 20m extension RCA video cable for truck