Automatic activation when the reverse gear is chosen Matrix display of barrier direction and location, more precise and visualized English Voice alert in 3 Stages: Attention / Warning /Stop LCD display can be circumrotated by 360 for optimal view of User Suitable for 2/4/6/8 sensors, 6 or 8 sensors system, complete front and rear protection Precise detection upto 0.01m All weather design (-40 to +80 degrees Celsius) 3 Installation choices: dashboard / windscreen / A / C vent Wireless module is optional.