Features: Fast, Precise Measurement: digital laser distance meter, designed with two bubble levels, extremely accurate to measure distances in long range, quick to display the measurements on screen. Multiple Measuring Modes: various modes--area, distance, volume, pythagoras, continuous(max/min value), add/subtract measurement, meeting different demands; unit switchable. LCD Display & Mute Setting: large backlit screen, clear to show power, data value, easy to read and record even in darkness; the measure beep, available to be turned on or off. Good Use: class II laser distance measure, less than 1mw, safe; auto laser output off with 20s non-operation, auto shut down with 150s non-work, energy-saving; up to 99 groups data storage. Light Weight & Pocket Size: the meter, made of selected electronic parts and solid durable shell, comfortable to grip, small, light, portable to anywhere, very suitable for home, construction, industries, etc. Specifications: Material: plastic + electronic components Main color: black and red Measuring range: 50m / 100m (optional) Measurement accuracy: ± (2.0mm+5*10-5D) Continuous measurement: √ Area measurement: √ Volume measurement: √ Pythagoras measurement: √ Add/Subtract: √ Max/Min value: √ Self-calibration: √ Laser type: class 2, 630-670nm, <1mW Data storage: 99 groups Auto laser off: 20s without operation (single measurement) Auto power off: 150s without operation Voice prompt:√ Storage temperature: -20~60 Work temperature: 0~40 Storage humidity: 20%~80%RH Power supply: 2 * 1.5V AA battery (Not included) Dimensions: 112*50*25mm / 4.40*1.96*0.98in Package weight: 130g / 4.58oz Package size: 13.5*7.8*4.5cm / 5.31*3.07*1.77in Note: Distance finder only, other accessories in the pictures are not included. Due to lighting or other reasons, the picture and material object may slightly differ. Due to manual measurement, there may be deviation, please in kind prevail. Packing List: 1 * Laser Distance Meter 1 * Carrying Bag