Ultrasonic Distance Measurer Laser Pointer Range Finder

Description: Press READ to turn on the unit, the laser point light on, the distance betwwen the laser distance measurer and the point you measured apears. To find the area and volume of a room, measure the length and press X/=,measure the width, then press X/=,then the square icon and the data of area appears, measure the height and press X/= the cubic icon and the data of volume appears. The initial unit is metric, hold the SET key 3 second, the unit can switch between METRIC and IMPERIAL. The laser distance meter turns itself off if no key is pressed within about 30 seconds. Size of the laser measurer: ~12.2 x 6 x 3.3cm(L*W*D) Weight: 117.3gSpecification: measurer power by 1 x 9V battery (will not be included here) Unit of measurement feet or meters. Accuracy 0.5%+1 digit(2-60ft) Working frequency 40KHz Working temperature 32 °F to 109.4 °F Range 2 to 60 ft(0.55 to 18.288m) Specifications are typical: individual units might vary Specifications are subject to change and improvement without notice. Class II laser product output<1mw. Package included instruction manual.