.Automatically starting seven-colored flicking sensor when night. it is glaring and fashion                                                             
.Self test function activated by reverse gear    
.Rear 4 sensors for full rear coverage                                           
.Digital LCD display with built-in speaker                                      
.Three Colors background                                                              
.Human voice distance report at certain intervals                       
.Mute setting available Stand model installation optional 2/3/4 insert-in sensors                                                                      
.Patented extra-low temperture technology，All weather design (-40°C ~ +80°C).