This product is a school bus light monitor and child check system made by Doran MFG LLC. The model number is 4 200934 and it is designed to ensure the safety of children while they are riding on a school bus. The monitor allows the driver to keep an eye on the children and make sure that they are behaving properly. The system includes a sleeping child check feature that alerts the driver if a child falls asleep during the ride. This product is categorized under eBay Motors, Parts & Accessories, Commercial Truck Parts, and Other Commercial Truck Parts.