The new SANDING ARC5 total station with 2-second precision, is the fastest on the market to measure distances in less than 0.5 ”, get your distance, has a double alphanumeric display, laser plummet, multiple measurement programs, SD memory, USB connection high speed to PC. Enhanced EDM system with 1000mtrs without a prism and up to 5.0km with a prism. Exquisite user experience. Reasonable industrial design, New optical light path change, completely isolate the emitted and reflected signal, Dual axis compensator for higher precision.