Calculated Industries Pocket Dimension Master

Forget the cumbersome tape measure! Use the Pocket Dimension Master to measure interior distances with the press of a button! Just aim & shoot to get an instant digital readout. Measure with 99% accuracy up to 50 feet. Carry it in your pocket or briefcase, in the office or out in the field. Take room measurements at the speed of sound! 99% accurate from 2 feet to 50 feet (0.6-15.2 m). Easy-to-read display. Simple to use--just point & shoot! Two-position measuring head. Pocket-size and durable. U.S. Patent No. 4,975,889. Ultrasonic Sensor by Polaroid. Imperial & Metric Measuring Modes. User's Guide. Protective Case. Long-Life Battery. 1-Year Warranty.