Distance Data Output/UST-10/20/30 LX are basically laser sensors that are used for smooth functioning of intelligent robots. Being light in weight, these sensors can be easily mounted on any unmanned aerial vehicle for determining various factors of environment with utmost precision. These sensors can project images with its manually adjustable motion based operation. Distance Data Output/UST-10/20/30 LX sensors are capable of counting the exact number of visitors at any public place for marketing purpose. These sensors are also capable of adjusting parameters of air conditioners and lights on the basis of crowd density in specific area to reduce energy usage rate.