... Doppler radar unit used to detect the speed of objects, especially trucks and automobiles for ... , the radar must be stationary to measure speed. Features of Bushnell Speedster II Radar Gun ... - Bushnell point-and-shoot pistol grip. -- Accurately Measures speed of cars, baseballs, softballs, RC cars, RC boats, ... 6 / 109 x 213 x 152-- Bushnell Speedster 2 Speed Gun Weight - 19 / 539 Specification: Bushnell ...