There are 3 kinds of alarm sounds: quickly press the switch on the display, you
can switch: human voice, buzzer or mute. ^^ 8 levels of volume can be adjusted: Press the switch on the display for a long time to adjust the volume. ^^ There are numbers on the display to show the distance to the nearest obstacle ^^ There is a cursor on the display to distinguish the direction of obstacles.
^^ Control unit: dual-core operation, accurate and fast detection and feedback information, avoiding data delay Automatically start detection when reversing, detection
range: 0.3M ~ 2.3M