A Valentine One model will alert to a reverse setup but, effectively, will not save you but will let you know you past one.

In dense traffic you can on occasions get a reflected alert but it will in most cases not be enough notice to slow down.

Current Poliscan photo laser is a very difficult device to detect.

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[COLOR=Black]Liberty GT Spec B tuned 240 HP & 372 Nm at the hubs.[/COLOR] "Instead of banning high performance cars - ban low performance drivers"