Pit Stop USA is The Online Motorsports Superstore! Based in Santa Rosa, California, Pocket Radar™, Inc. designs, engineers and manufactures the world's only pocket-sized personal speed radar device that delivers accurate real-time speed measurements with the touch of a button. Utilizing a new break-through Doppler radar signal detection and processing system coupled with re-engineered microwave and antenna components that fit into a tiny planar structure the size of a credit card, Pocket Radar™ employs proprietary digital signal processing algorithms and state-of-the-art intelligent target acquisition techniques to provide users with industry leading accuracy and speed measurement detection across all ranges. Designed for useas a sports radar gun by coaches, players and fans alike, Pocket Radar™ provides full-sized performance in a palm-sized package. We feature Pocket Radar™ at low everyday prices.