http://tinyurl.com/lrn7awo<P>ZIPLEVEL PRO-2000B High Precision Altimeter with 75-Feet Cord and User GuideProduct Review<P> Click on the link for more reviews<P>Replaces rotary lasers for faster, easier and more precise measurements and true one-person operation that allows setup/pack up in seconds<P>Read level and elevations directly in digits without math, line-of-sight, distance error or factory calibration for up to a year on one 9V battery<P>Setup ranges of 40 feet vertically (4 feet in HP) and 150 foot circle and unlimited differential leveling without math using built-in carry function<P>Typical level precision (internal): 0.050 Inch (0.005 Inch HP); typical vertical accuracy (internal): 0.050 Inch (0.005 in HP) or 0.15% reading<P>16 Powerful built-in functions plus PC serial port and 6 different measurement scales including inch, feet centimeters and meters<P>
