Features:100% brand new and high qualityWith laser pointerFoot/Meter display optionsMeasuring Range: 0.5m to 18mLCD screen with LED backlightAuto shutdown after 15 seconds without pressing any keySupport sum-up, multiplication of various measurement data.All stored measurement data can be cleared.Correction of errors: 'Error' is displayed when the actual distance falls out of the measuring rangePower supply: 1 x 9V Alkaline type 6LR61 Battery (Not included)Specifications:Material: PlasticColor: Yellow+BlackAccuracy: +/-0.5%Ultrasonic Frequency: 40 kHzWorking temperature: 0 ~ 43 Dimensions: 123 x 55 x 38mmLaser beam: less than 1mW (mW =milliwatt) Wavelength: 650nm (nm =nanometer)Package includes:2 x Ultrasonic distance meter