IntelliMeasure Distance Estimators, 3 Functions, 40 ft Range

Features : Ultrasonic distance estimator measures distances up to 40 feet | High-impact ABS housing | Automatic shut-off for longer battery life | Allows one person to measure up to 40 ft without assistance | Intuitively designed toggle button features three measuring modes: length, area, and volume | LCD displays last three measurements for quick reference | Choose between English or Metric modes | Large, easy-to-read LCD screen | Accurate measurements (+/-0.5%) you can rely on | Automatically calculates area and volume