Features of LCD parking sensor Automatic activation when the reverse gear is chosen Blue LCD display of 3: 1 super wide screen, dynamic matrix indication car icon and digit showing in LCD display to indicate different distance and orientation of the obstacle English voice alert in 3 stages: attention/ warning/ stop/ voice alert/ beep alert/ mute mode, system on/ system off, and different mode is selectable 3 installation choices ( dashboard, windshield, and A/ C vent) LCD display can be circumrotated by 360 for optimal view of user Precise detection: up to 0.01m All weather design ( -40 to + 80 degrees Celsius) Suitable for 2/ 4/ 6/ 8 sensors, 6 or 8 sensors system, and complete front and rear protection