... ,reverse sensor,backup sensor,LED display parking sensor,LCD Display parking sensor,bluetooth rearview mirror Specification: display:130*20*20 mm1) ... car parking sensor ,reverse sensor,backup sensor,LED display parking sensor,LCD Display parking sensor,bluetooth rearview mirror1.Automatically starts ... 2m-0.3m; Buzzer volume: 80db; Screen type: Digital tube4.Wireless car parking sensor, no need to run ...