The Topcon GM-100 Series total station features a best-in-class EDM unit, is able to measure up to 6,000 m 1.5 mm + 2 ppm to standard prisms, and up to 1,000 m at an incredible 2 mm + 2 ppm accuracy in reflectorless mode. Measurements are captured faster than ever, and with a beam width of 13 mm (over 30 m), the bright red laser dot pinpoints features with ease. Trust us, you'll appreciate the advantages from the first measurement.