This product does what it says, detects and scrambles the radar/laser signal. Easy to use and setup. The audio warning signal is great and can be silenced, and it will tell you what signal band is being used. The city control switch helps eliminate false signals, except for airport radar, then this detector really lights up and no way to shut it out except the silent mode, and that works well also. I would highly recommend this product to anyone. It even detects and scrambles from the side and rear as I found out, and the police sure give you that what the........look. Gotta love it!