TTS2 Dual-axis reflectorless total station. 2” accuracy with 600m range. Big storage, can be extended up to 32GB. Convenient data import and export with the USB port. Compact and Lightweight Designed, easy to carry and setup. With a powerful measurement module, a Stable Dual-axis Compensation system, and Intelligent Calibration Software, TTS2 improves the speed and distance of measurement efficiently.