Parking Sensor : LW-001 -BiBiBi ,JingGaoSheng alarm -Built-in probe -identify obstacles,Four color alarm 100% waterproof Model : parking sensor LW-001(Buzzer)Product Features : 1) “BiBiBi” JingGaoSheng alarm 2) Section type Chinese speech alert 3) Built-in probe 4) Or so identify obstacles,Four color alarm 5) Buzzer can Hidden installation - "BiBi" alarm mode in 3 steps - Volume switch control - ...