When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Save it for the track and a radar detector will be the least of your concerns.
A majority of cops will leave the gun off until they see a speeder approaching, rendering radar useless until it's too late.
+1. I don't know of any cops that do it any other way. You can literally turn it on, get a speed, lock the speed in, and shut it off (keeping the locked speed) all in under 0.5 seconds.