{"itm": "168421624170", "title": "Fydun ST503H 4 Channel Car Backup Camera Video Splitter Quad Box 1080P 12V 24V", "url": "https://azsvinternal.com/item/168421624170-fydun-st503h-4-channel-car-backup-camera-video-splitter-quad-box-1080p-12v-24v", "price": 67.99, "salePrice": 54.39, "effectivePrice": 54.39, "currency": "USD", "quantityAvailable": 1, "inStock": true, "condition": "Open box", "category": "electronics", "categoryName": "Electronics", "images": ["https://i.ebayimg.com/00/s/OTE3WDE1MDA=/z/QykAAeSws4lqf1-a/$_57.JPG?set_id=880000500F", "https://i.ebayimg.com/00/s/MTYwMFgxMjAw/z/P~YAAeSwbEhqf1-a/$_57.JPG?set_id=880000500F", "https://i.ebayimg.com/00/s/MTYwMFgxMjAw/z/iogAAeSwgGdqf1-a/$_57.JPG?set_id=880000500F", "https://i.ebayimg.com/00/s/MTYwMFgxMjAw/z/Iu8AAeSwL~Nqf1-b/$_57.JPG?set_id=880000500F", "https://i.ebayimg.com/00/s/MTYwMFgxMjAw/z/ScMAAeSw-Mdqf1-b/$_57.JPG?set_id=880000500F", "https://i.ebayimg.com/00/s/MTYwMFgxMjAw/z/lP8AAeSw1WFqf1-b/$_57.JPG?set_id=880000500F", "https://i.ebayimg.com/00/s/MTAzMFgxMTc5/z/TQEAAeSwEi9qf1-a/$_57.JPG?set_id=880000500F"], "shippingFee": 5.0, "shippingPolicy": "Weight-based flat rate $5-$35 per item; whole-order shipping capped at $35", "shipsFrom": "Mesa, AZ", "handlingDays": 1, "deliveryEstimateDays": [3, 7], "returns": "Seller Pays Return", "conditionNote": "Open Box. Typically includes all original factory packaging. Ships fast with tracking.", "specifics": {"Brand": "Fydun", "Camera Connection Type": "Wired", "Type": "Car Parking Camera Video Splitter", "Model": "ST503H", "MPN": "ST503H"}, "descriptionText": "🌵 AZ SUN VALLEY SALES ★ Trusted Arizona Reseller · Fast Shipping · Quality Checked ★ Fydun 4 Channel Car Backup Camera Video Splitter - Quad Control Box, Model ST503H Connect up to four backup, side or cargo cameras to a single monitor and switch between them, or view all four at once in quad split screen. Built for RVs, trucks, buses, trailers, school buses and boats running 12V or 24V electrical systems. The product label on this unit reads: Product Name 4CH Car Rear View System, Model No. ST503H, Power DC12V/24V, System PAL/NTSC. Inputs, Outputs and Power Camera inputs: 4 screw-lock aviation-style sockets on the box, marked CAMERA 1, 2, 3 and 4. Each carries video plus audio and camera power on one cable. Monitor output: 1 screw-lock aviation-style socket marked MONITOR (position 5). One video output feeds a single monitor. Audio: 4 channels of audio input and 1 audio output. Trigger inputs: a CAM TRIGGER connector with 4 trigger wires (1, 2, 3, 4) for reverse, left turn and right turn signals, so the box can jump to full screen automatically. Power: DC 12V or 24V wide-voltage input on the marked POWER (+ / -) terminal. There is no AC adapter and no internal battery - it wires to the vehicle supply. Video format switches: a DIP switch block sets MIR/NOR (mirror or normal image) per channel 1-4, and position 5 selects CVBS or AHD signal output. PAL / NTSC system. Overload, short circuit and reverse-connection protection. Key Features 4 camera inputs to 1 monitor output - single camera view or 4 way quad split screen 1080P video support (AHD mode) Automatic full screen switching on left turn, right turn or reverse On screen information overlay for license plate number, time and driving information Host can be turned on, off or set to delayed shut off Screw lock connectors hold up on rough roads; flanged metal case for bolt-down mounting Versatile compatibility: school buses, trucks, large trucks, RVs, trailers, boats and more What Is Included Quad Control Box video splitter unit (ST503H) Wired control keypad with attached cable - CAM1, CAM2, CAM3, CAM4, QUAD and POWER buttons Power and trigger wiring harness Instruction sheet Cameras, camera cables and the monitor are not included. Please review all photos for the exact contents and condition of this unit. Condition Open Box. Typically includes all original factory packaging. Ships fast with tracking. Ships fast with tracking from Mesa, Arizona. 30-day returns - seller pays return shipping.", "ebayCategoryPath": ["Consumer Electronics", "Vehicle Electronics & GPS", "Car Video", "Rear View Monitors/Cams & Kits"], "approxShippingWeightLb": 1.0, "listedSince": "Jun 1, 2026", "watchers": 0}