Speed Radar Gun-SR-20 makes it easy to measure the speed of a car, a baseball, or pretty much anything that moves. This Speed Radar Guns use the best digital technology and DSP (Digital Signal Processing) to Provide accurate real time measurement, accurate to ? 1.0 MPH/ or ? 2.0 KPH. Speed Radar Gun-SR-20 is more simplified then other radar guns , yet extremely effective. The Speed Radar Gun-M10P features easy point and shoot operation. This Speed Radar Gun-SR-20 displays speed in Miles per Hour (MPH) and in Kilometers per Hour (KPH). This Speed Radar Gun-SR-20 can track the speed of a ball from 100 feet, making it the ideal tool for tracking everything from race cars to pitching speed at a low price – we have the best prices on baseball radar guns on the market!