Details logistics vehicle GPS management model: HDGPS-DD-I basic functions: 1. Real-time vehicle tracking vehicle location query historical track playback function 2. Close oil remote reset car featured remote parameter modification fuel mileage statistics statistical alarm functions: 1 The power failure alarm battery voltage is low speed alarm cross-border anti-robbery alarm alarm alarm ultra-long stay business functions: 1. Line passing through the site management planning and management of driver fatigue management 2. Management 3. vehicle use video surveillance, monitoring and distribution of goods