The SCM RED app isTo manage the operation, location, and entry and exit of on-site geofence of vehicles and equipment in construction and industrial sites1. Bluetooth function to detect beacons attached to vehicles and equipment2. NFC function to detect NFC tags attached to vehicles and equipment3. GPS function to detect the location of the vehicle, entering and exiting the geofence, and speed4. Alerts for approaching dangerous areas or speeding alerts5. Because drivers of vehicles and equipment operate while drivingIt always works in the foreground and background while the app is logged in.