The Topcon DT-200 is a durable and user-friendly digital theodolite designed for precision surveying and construction tasks. Key features include high-accuracy angle measurements (5, 7, or 9 arc seconds), absolute circle reading technology, a backlit LCD display, and a waterproof and dustproof (IP66) construction. The DT-200L model additionally includes a built-in Class II laser for one-person alignment, and all models have long battery life and can connect to data collectors via an RS232C port.