... circumstances main Features1.OBD interface with compatibility, ,,2.Original vehicle anti-theft,3.Do not need ... .parking time record,Wire waterproof12.Anticorrosive,Anti-beat13.Waterproof,dustproof14Geofence15.illegal host demolition alarm16.positioning/playback17.show ... CE, ROHS certified2.Dual built-in antenna design, waterproof ,dustproof anti-corrosion and anti-interference3.Support wide voltage ...