We have been a direct dealer and installing K40 radar detectors for over ten years. K40's have proved to be the best and most reliable in the the business. The K40 Calibre radar detector is completely hidden installation featuring front radar and lazier detector, rear radar and lazier detector, inside there are two blue LED.s (front/rear) and a hidden speaker (tone or voice) controlled by a blue tooth wireless remote. We at motoring Images put the greatest care in your custom installation. This is the absolute best state of the art system on the market hand down. It actually comes with a "No Ticket Guarantee". Check it out @ K40.