The total station is a surveying equipment combination of an Electromagnetic Distance Measuring Instrument and electronic theodolite. It is also integrated with a microprocessor, electronic data collector, and storage system. The instrument can be used to measure horizontal and vertical angles as well as the sloping distance of the object to the instrument.
Read more about the total station in the article linked given below-
https://theconstructor.org/surveying/total-station-operation-uses-advantage/6605/10