How much does this cost to the nearest dollar?

eRapta Wireless Backup Camera System Stable Signal 10'' HD with Quad Split Monitor w/Recording, IP69K Rear View Camera for Truck Trailer Van etc
Stable Signal Adopted advanced digital technology, the system can transmit the signal in real time even in a farther distance of 135ft range. The transmission speed up to 102mp is daringly quick and stable without any delay and interference. Easy to install Just need to power the backup camera with the power cable and connect it to the revering light, and mount the monitor by the car charger or hard wrive. Suitable for RV, trailer, motorhome, truck, camper with voltage ranging from DC 10 HD monitor & Multiple Channels With high quality picture of 1080P, and delivers a clear image with more

Price is $280.00
Price: $279.99