The Leica Builder Series Total Stations are designed for nontechnical construction professionals—you don’t need a surveying background to easily perform positioning, layout, or other construction- related tasks. Five models are available: 100 series for horizontal and vertical angle measurements; 200, 300, and 400 with USB port and wireless communication for easy data transfer; and 500 with Bluetooth functionality. Leica Geosystems Inc. 800-367-9453.