Specifications Function:Area, Volume, Addition,Subtraction Calculation Principle:ultrasonic Accuracy:0.5% +1 digit(2~60ft) Power:1 x 9V battery(So sorry that not included,because of the aeropolitics) Working frequency:40kHz Working temperature:32°F to 109.4°F(0°C to 43°C) Dimensions:155*46*69???mm??? ?????Package Includes 1 x User Manual 1 x Multifunction Ultrasonic Distance Measurer Brand Unbranded/Generic MPN Does Not Apply UPC Does not apply .
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