We will always hold your back while shopping!Features:100% brand new and high qualityLightweight and easy for you to carryMeasure distance from 0.6m to 18mArea， Volume， Addition， Subtraction， Calculation， Data Storage， Feet/meterLCD with backlightPerfect tool to quickly know the distance， area and volume of a roomSpecifications:Material: Plastic shellColor: Orange & blackLaser output power: less than 1mwPower Supply: 1x 9v Alkaline Battery(not included)Measure Distance: Approx. 0.6-18m/1.64-59.06ftSize: Approx. 15.5*6*4.5cm/6.1*2.4*1.8inchPackage included:1 x Ultrasonic Distance MeasurerHope you can do better as you can.