Like another reviewer, I have only given this 4 out of 5. The reason being is that although it installed very easily(once I found the reversing lead on the rear light cluster,removed the panelling down one side to run the feed to the rear of the vehicle, the supplied hole cutter was of a very poor quality and failed after the second hole was cut. It probably would have been good on plastic but as I had to go through metal under the plastic cover the teeth on the saw soon blunted. This is really no criticism on the unit as it was a bonus that a hole-saw was provided. My main comments on the display unit is that it could have been slightly bigger, the overall shape could have been more rectangular for rear mounting behind a panel plus as someone else has already commented, if a better/universal shape it could be fitted under as opposed to only on-top of. here was also no instruction on what way up to set the sensors. For the price and efficiency of delivery these options would be icing on the cake. I have fitted it to a Ford Transit Connect van(long wheelbase) and all cables were long enough. Excellent value.