This laser distance meter is of mini size and multiple purposes. It can measure distance, area, volume and Pythagorean quickly. Digital LCD display with backlight makes it easy to read. It also supports datum mark switching according to the measurement requirements. Battery operated, mini and lightweight, it's easy to carry. Features: High precision laser range finder with fast measurement; 35m (114.8ft) long measuring range meets diverse needs. Quick measurement of distance, area, volume and Pythagorean; supports datum mark switching; supports unit switching: m/ in/ ft. Digital LCD screen with backlight enhances the reading experience; the backlight and instrument will automatically shut down to save power. 2 AAA batteries (not included) powered, easy to install and replace batteries, with low battery prompt. Pocket size: 110 * 25 * 13mm (4.33 * 0.98 * 0.51in), weighs only 23g without battery, easy storage and portability. Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Color: White Material: ABS Measuring Range: 35m (114.8ft) Measuring Accuracy: ±3mm Measuring Time: 0.3-4s Unit: m/ in/ ft Measurement: Distance/ Area/ Volume/ Pythagorean Laser Type: 620-670nm, 1mW Laser Beam Auto off Time: 15s Instrument Auto off Time: 40s Backlight: White LED Datum Mark Switch: Yes Power Supply: 2 * 1.5V AAA Battery (NOT included) Item Size: 110 * 26 * 13mm / 4.33 * 1.02 * 0.51in Item Weight (without battery): 23g / 0.82oz Package Size: 15.5 * 5.5 * 3cm / 6.10 * 2.17 * 1.18in Package Weight: 78g / 2.75oz Package List: 1 * Laser Range Finder 1 * User Manual (English)