The CTS-112R 4 total station is based on proven technologies and designed for users who need the most cost-effective survey solution. It has an angle accuracy of 2” and is equipped with high efficiency 

EDM that provides long range measurements:400 m reflectorless and up to 5 000 m using a single prism, with millimeter accuracy.
Better industrial design makes work more efficient. Each replaceable battery provide 8 hours
continuous working time, so you do not have to worry about losing power in the field any more.
Easy data transfer, supporting an external SD card, with up to 32 GB memory. Furthermore,
there are various built-in programs also available to make your work more efficient.