App is widely used in: operation vehicle supervision, private vehicle anti-theft, financial asset risk control, logistics goods tracking, elderly and children pet monitoring to prevent missing, new energy vehicle data acquisition, fuel vehicle emission monitoring, Internet of things data collection, etc. Functions: positioning, track, fence, fuel consumption, temperature, humidity, load, recording, photographing, OBD, tire pressure, journey, fault code, driving behavior, RFID, various alarms, etc.