I ordered this product (like many others) because of the good reviews. Yes, and they agree.
Simple but effective. But who wants to get this one, should know that the usual balancing rings are not included here, that if the bumper has no flat surface (90 °) is here necessary, these facilities inadequate.
The manufacturer specifies a maximum incorporation of at least 50cm.
I can now confirm that the system is also at just 40cm height works (important for owners of T4, T5 or similar vehicles, which due to the rear doors, the bumper sits wehsentlich deep) with no problems.
Installation proved to be very easy as even inexperienced should here have little problems (experienced need 2 hours beginners highest 4 hours)
Nevertheless, the installation should be well planned.
Anyway, the bumper has to be dismantled.
Ask in advance whether in fact is also a void of at least 20 mm behind the mounting points.
Thanks to the included drill, experiments are not necessary, the sensors fit exactly into the holes (previously deburring) and hold without glue or silicone. As mentioned in some other reviews, a painting is possible without problems.
Likewise, the system can also be used for vehicles with AHK (distance between the centers sensors enlarge).
Please note that the sensors are installed correctly rum.
For this is marked on each sensor, an arrow or a "UP".
The cable range for each car.
Important here to find a "clean" point through which the 4 cables are routed into the car.
The length is 2m per sensor, and should be sufficient.
The plug contacts on the control unit are a little shaky, so it is recommended to fix the unit and the cables according to the vehicle (for adhesive pad controller is included).
Otherwise nurnoch connect to the 12V + (RED) for Rückfahrlich and almost finished.
Please note that the "power cord" only about 50cm long, that is, the equipment must be installed near the tail light (if you do not want to extend the cable).
This is of course also to be observed in the introduction of the cable of the sensors.
Mass points can be found certainly also near (because then comes the black wire ran).
And now nurnoch find a suitable location for the display.
The cable of the display is 5m long, so it extends up to the front.
I was the beeping softly and eventually I wanted to read the display.
So I have secured the display in the center console, as for the dashboard it saw me from a little too cheap.
So now finished!
To function, I can only say that the device very accurately displays the distance in a range from 1.5 m to 30 cm.
The display is bright and easy to read.
The beeping something quietly.
The device can certainly compete with a factory installation of central and upper class.
So if you made an effort during installation, hides all cables carefully, certainly enjoys this extra.
Clear and unambiguous buy recommendation!