Wiseup&trade; 4Ch Mini Mobile Video Quad Video Processor for Vehicle Cameras with Image Mirror Function New hot: 4Channel mini color video quad splitter special design for car and vehicle, multiple display mode, image mirror function, PAL/NTSC auto adapting. Mini size: this product is small dimension 125x50x20mm, and easy to install and operation. Video output mode: full screen, electronic amplification, 4 picture, auto switch display mode, 4CH input (RCA connector)1CH output(RCA connector) Channel specification: resolution 720576, video frame refreshing rate: 25/30 fps Power Input: It is DC5V to 20V power voltage input.