This Backup Camera system comes with backup sensors that integrate flawlessly into the backup camera system alerting you audibly about potential hazards behind your vehicle. With this system you'll be able to see your blind spots and be alerted about hazards behind your vehicle. These sensors when integrated into our system not only alert you audibly but also display on the monitor the distance you have behind your vehicle. The Backup Camera System is completely weatherproof with an IP69K rating. This system comes complete with everything needed to install so that it can go straight from the box to protecting your safety. ***Note: The quad view monitor options on this system are for 12V vehicles. For 24V vehicles, please visit the individual monitor page to purchase the proper monitor.