Feature 1Power-off memory function, when the machine is powered off and then restarted, it keeps the last set state. 2Small size, easy to install, car-specific 'A' interface. 3Four-screen, three-screen, two-screen, single-screen display mode, NTSC/PAL automatic recognition. 4Four pictures can adjust the mirror independently. 5Left or right can be set to compress or not compress panorama.Condition: 100% Brand NewItem Type: Video SplitterColor: WhitePower Input: 9-28V Wide VoltageMenu: Chinese / EnglishScreen Operation: ButtonVideo Output: One Way View Output, Top: 1Vp-p Impedance: 759Video Input: Four Video Inputs, Top: 1Vp-p Impedance: 759Video Format: NTSC/PAL/Automatic RecognitionHigh Resolution: NTSC: 720 x 480, PAL: 728 x 576Power Failure Memory: Power on After the Machine is Powered Off, Restore the Previous ScreenMirror Image: Mirror Image Can Be Set for All Four ChannelsCompression: Left and Right to Set Compression / Uncompressed PanoramaAmbient Temperature: -30 C - 60 CSize: Approx. 100 x 110 x 25mm/3.9 x 4.33 x 0.98in.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}Package List1 x Video Splitter1 x Power Cord1 x Video Cable1 x Instruction Manual