Introduction: Our Laser distance meter is specially designed to measure the distance precisely. It comes with the function of measuring AREA VOLUME ADDITION SUBTRACTION easily. It can also store 99 data. The laser distance meter is hand-held and easy to operate. You can measure the distance in Metric / Imperial; Features: Instant measurement of distance area & volume with one button operation: Yes; Wide measuring range: Yes; High accuracy: +/-2mm (0.079inch); Automatic calculation of area and volume: Yes; Indirect measurement by Pythagorean Theorem: Yes; Single/Continous measurement: Yes; Max./Min. distance tracking (display value): Yes; Easy Addition/ Subtraction of measurement: Yes; Set up front / rear benchmark: Yes; Selectable meter(m) inch(in) and feet(ft): Yes; Data store/ recall function: Yes; Data Hold / Data clear function: Yes; Air Bubble Level: Yes; Included Easy targeting with bright laser pointer: Yes; Large LCD with backlight and multi-line display (4 lines): Yes; Auto correction and error report technology: Yes; Buzzer indication: Yes; Battery status Indication: Yes; IP54 protection (dust & splash proof): Yes; Auto / Manual power off function: Yes; Multifunction with intelligent calculation: Yes; Compact & handy design; Specifications: Measuring range: 0.05 to 40m (0.65 to 131ft); Laser class: Class II; Laser maximum output: <1Mw; Laser Auto off: 30s; Power Auto off: 3min; Operation temperature: 0~40'C (32~104'F); Storage temperature: -10~60'C (14~140'F); Power supply: 3 x 1.5V AAA batteries (We have to take away the batteries due to the policy of the shipping company); Weight (without battery): 130g ;Dimension: 118 x 54 x 28mm (4.65 x 2.12 x 1.10inch)