... quality 3,One year warranty Parking sensor with 4/6/8 Sensors car parking sensor system Product describe: ... can be detected from 6 directions (8-sensor) or 3 directions (4-sensor) on both the front ... in several steps:do......do, do...do,do...4,The display, small and exquisite, easy to place ... . Delivery term: 2-5 working days,Delivery can be Express (international courier),such ...