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Ultrasonic Tape Measure Get sound measurements before you start your project with this hi-tech tape measure. It emits an ultrasonic signal that bounces off surfaces to instantly measure up to 50 feet. The signal is converted into distance when it returns to the unit. Then, it automatically displays the dimension on an easy-to-read LCD screen. Calculates linear, square and cubic footage in standard or metric measure with push button ease. Perfect for do-it-yourself painting, carpeting, tiling and wall covering. Ideal for professional architects, contractors, landscapers and real estate agents. Features automatic shut-off. Uses one 9-volt battery (not included). Model # PS2777TI.
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