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