Quickly level and measure elevation or distance without calculations using the laserless ZipLevel PRO-2000B Precision Altimeter. Features include a 75-ft. cord, instant setup, 0.050-in. precision over unlimited ranges without line-of-site or distance-error, and no factory calibration. The ZipLevel runs for up to a year of typical daily use on a single 9 V battery over temperatures of -22° F to 158° F. ZipLevel/Technidea Corp. 800-805-5383. www.ziplevel.com