Mastfuyi 120m Digital Laser Distance Meter Handheld Rangefinder Distance Measuring Meter Electronic Area/Volume/Pythagorean Measurement Device with 99 Groups Data Storage Features: Millimeter Precision- equipped with upgraded chip and lens, this meter delivers stable and precise measurement with accuracy of ±2mm. Capability -0.2s quick measurement of distance, area, volume, indirect measurement through Pythagorean theorem, and support single and continuous measurement. Data Storage -stores up to 99 groups of measurement results for convenient reference and comparison; and also supports data clear. Practical Functions- unit switchable among meter (m), inches (in), feet (ft); auto-shut off in 180s. Mini Size- it's small enough to fit in any jacket or trouser pocket, ruggedly built, anti-impact and . Wide Application -widely used in interior decoration, indoor design, construction field. Specifications: Material: ABS Measuring Range: 120m / 70m（Optional） Accuracy: ±2.0mm Unit: ㎡/ft²/in² Laser type: 620-690nm Laser class: Class Ⅱ <1mW Single measurement time: 0.25s Max data storage: 99 groups Automatically cut off laser: 30s Automatic shutdown: 180s Battery: 3*1.5V AAA batteries（Not included） Item Size: 115 * 50 * 25mm / 4.52 * 1.96 * 0.98in Item Weight: 87g / 3.06oz Package Weight: 194g / 6.84oz Package Size: 15.5 * 11 * 5.5cm / 6.1 * 4.33 * 2.16in Packing List: 1 * Rangefinder 1 * Cloth Pouch 1 * User Manual (English)