These radar signs are instruments which are installed on the road sides in permanent or portable stationery configuration. These radar speed detectors feed-backs to the motorists the speed at which the vehicle is moving. These are only used to inform the motorists about their speed and not to enforce them.
The overhead lane signs are available in different sizes and design, available in circular as well as rectangular design. Available in different working voltage, can work at 24v dc or 110-260vac
The variable speed control sign are high intensity leds boards designed to display various speed limits numerically as posted by the authorities. The traffic signs with the various symbols using high effective leds as lighting source are active traffic signs including numerical using the light points distributed on the front display surface for forming of traffic sign symbols.