The speed laser gun is required to be compact, robust and light weighted handled that able to measure the round-trip time for light to reach a vehicle and reflect back to calculate the speed of the vehicle using laser technology, provided together with software.
Radar speed guns is a laser device that device that measures the speed of vehicles, indicates the distance of the vehicle and whether the vehicle is coming toward or going away from the device. It can be operated hand-held or mounted in a stationary position