Features: xMini and portable High accuracy and wide measuring range up to 40m xQuick measurement of distance, area and volume with one button operation. xAutomatic calculation of area and volume. xIndirect measurement by Pythagorean theorem. xMin/Max distance tracking (display value). Easy addition/subtraction of measurement. xSwitchable among metre (m), inch (in),feet (ft). xEasy targeting with bright laser pointer. xLarge LCD with backlight. x20 data records and recall function. xBubble level equipped as a spirit level tool. xLow battery indication.(Battery is not included),Automatic / manual power off function. xIP54 protection (dust and splash proof).Compact and handheld design, portable and convenient. xWidely used in construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, Specifications: Color:Green Distance measurement precision: ±3mm Measurement unit options: M/in/ft Single/Continuous measurement function: YES Area measurement function: YES Volume measurement function: YES Pythagorean proposition measurement function: Full Mode Add and subtract measurement function: YES Min/Max value: YES Data store/ recall function: YES Max storage: 40m-20 units Automatic backlight: YES Protection Classification: IP54 Buttons/Keys sound: YES Laser level: II Laser type: 635nm, <1mW Cut off the laser automatically: 15s Auto Power -Off: 45s Maximum Battery Life: 15000 times Storage temperature: -20-60°C / -4-140°F Working temperature: 0-40°C / 32-104°F Battery: 1.5V 2 x AAA alkaline batteries (Battery is not included) Packaging includes: 1xLaser Distance Meter 1xPortable pouch 1xHanging rope 1xUser Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.