Parking monitor option for use with DC4000RA dash camera The parking monitor is designed to protect your vehicle while you are away. It automatically turns on after you have powered off your vehicle. When an impact or bump is detected it will automatically start recording the incident Built in voltage monitor function identifies when your vehicle battery is getting weak and will shut down in order to save battery power. DC203A Parking Surveillance Time Settings 12 hours of surveillance setting All 3 cameras (Front/360/Rear) security surveillance Records 10 seconds before impact and 30 seconds after totaling 40 seconds security footages 48 hours of surveillance setting Only 360 degree camera security surveillance Starts recording 2 seconds after impact, then records 30 seconds of security footages