Quick measurement of distance with one button operation.Automatic calculation of area and volume. This product can be widely used in construction and industries， especially in large areas such as rooms， apartments， buildings， real estates， factories， warehouses， etc.Features:1. Brand new and high quality2.Convenient to use and carry3.High accuracy and wide measuring4.Quick measurement of distance， area and volume5.Measure distance from 2 feet to 60 feet6.Multiplication，addition calculation7.Switchable among metre(m)，feet (ft)8.Temperature display9.Fahrenheit/Centigrade conversion10.Top and bottom base switch11.Bubble level equipped as a spirit level tool12.Large LCD with backlight13.Low battery indication14.With 1m Tapeline built insideSpecifications:1.Working frequency：40KHz2. Measuring range: 2-60ft（0.55-18m）3.Accuracy: 0.5%+1 digit （2-60ft）4.Operation Temperature: 0°C~43°C(32°F~109.4°F)5.Tape Length：1m6.Product Size: 74*69*32，mmPackage Included：1*Laser Distance Meter1*User Manual(English)