Features 1、【High Accurate】Intelligent laser rangefinder, intelligent algorithms, with long measuring distance, high accuracy, and fast measurement speed, with long measuring lifespan. Real-time distance measurement, easy keystrokes, one-button measurement for easy operation. 2、【Digital Display】Digital display for clear data readings, and with 20 sets of data storage function, important data is not lost, you can save and view the data at anytime. 3、【Laser Light】Adopts high precise laser source, with high brightness which can provide a nice reference of vertical lines for the renovation project. 4、【Multifunctional Design】With multiple measurement modes, it is easy to meet the measurement needs of different scenarios. Support single measurement, continuous measurement, volumes measurement, area measurement, and pythagorean measurement. 5、【Multi-application Scenarios】Wide applications, suitable for road engineering, housing engineering, construction engineering, water conservation engineering, electrical power engineering, pipeline engineering, etc. Specification Specifications: Model: X50 / X70 / X100 / X120 (Optional) Material: ABS Measuring Range: X50: 0.05~50m X70: 0.05~70m X100: 0.05~100m X120: 0.05~120m Measuring Accuracy: ±2mm Display Accuracy: 1mm Laser Class: Class II Laser Power: <1mW Area / Volume Measurement: √ Pythagorean Measurement: √ Addition and Subtraction: √ Storage Function: √ Continuous Measurement: √ MAX/MIN Measurement: √ Multi-line Display: √ Data Storage: 20 groups Waterproof Level: IP54 Operating Temperature Range: 0℃~40℃ Storage Temperature Range: -10℃~50℃ Battery: 3 * AAA batteries (Not included) Laser Auto-off Time: 30 seconds later Machine Auto-off Time: 3 minutes later Item Size: 110 * 50 * 26mm / 4.33 * 1.97 * 1.02in Item Weight: 78g / 2.75oz Package Weight: 157g / 5.53oz Package Size: 15.5 * 11 * 5.8cm / 6.10 * 4.33 * 2.28in Package List Package List: 1 * Laser Rangefinder 1 * Storage Bag 1 * User Manual (English)