car parking sensor ,reverse sensor,backup sensor,LED display parking sensor,LCD Display parking sensor,bluetooth rearview mirror Specification: display: ... cm Weight: 14 KG car parking sensor ,reverse sensor,backup sensor,LED display parking sensor,LCD Display parking sensor,bluetooth rearview mirror1.Automatically starts ... bumper.You can choose the model with 2, or 4, or 6, or 8 sensors. 3.Power ...