The Sokkia SDL1X Digital Level is designed to achieve the highest precision and productivity in leveling and height measurement applications. From Intelligent Auto Focus to wireless operation, a number of innovative technologies are implemented for unmatched reliability while eliminating error factors during measurement. From Intelligent Auto Focus to wireless operation, many innovative technologies are implemented for unmatched performance and precision. The SDL1X can reduce measurement by up to 40 percent compared to manually focused digital levels! Its wireless remote trigger eliminates measurement errors caused by touching. When precision has top priority, and measurement speed matters, the SDL1X is the ideal digital level.