Perfect for all surveying or engineering applications where the highest level of efficiency is needed while using a two person crew. On projects requiring a lot of topo or construction staking this instrument makes the job easy, just get the prism in the field of view and Automatic Target Recognition will do the rest. No more straining the eyes and back while fine-tuning the cross hairs! This instrument has been cleaned, inspected, calibrated, and tested. Ready for your next high accuracy project with the addition of a tripod.