The ZipLevel Pro-2000 includes a dual-range feature that allows users to switch between the standard precision of 0.05 in. over a 40-ft vertical range and the high precision of 0.005 in. over a 4-ft vertical range. New applications include precise floor surveys, negative-edge pools, plant layouts, and real-time floor, roof, and bridge deflections. Technidea Corp. 800-805-5383.