Features 1、​【Aesthetic Design】: The overall design is ergonomic and simple, rich in technology, with a curved antislip texture design for a more comfortable grip. It is wear-resistant and impact-resistant and can provide long-term durability. 2、【High Accurate】: Intelligent laser rangefinder, intelligent algorithms, with long measuring distance, high accuracy, and fast measurement speed, with a long working lifespan. Real-time distance measurement, easy keystrokes, and one-button measurement for easy operation. 3、【Digital Display】: The digital display provides clear data readings, and the function to store 30 sets of data allows you to save and review the stored data at any time. 4、【Laser Light】: It adopts a highly precise laser source, which provides high brightness and can offer a useful reference of vertical lines for the renovation project. 5、【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, addition and subtraction measurement, and Pythagoras measurement. It supports the measurement unit switching function. There are four following units of m(meter), ft(feet), in(ich), and ft+/in(feet-inch-1/16) are available.. 6、【Multi-application Scenarios】: Wide applications, suitable for roadway developments, housing ventures, structural endeavors, hydraulic constructions, electrical installations, pipeline layouts, etc. Specification Name: Laser Rangefinder Material: plastics Model: SK-50, SK-70, SK-100, SK-120 (optional) Battery: 2 * AAA battery (not included) Measurement ranges: SK-50: 0.05-50m SK-70: 0.05-70m SK-100: 0.05-100m SK-120: 0.05-120m Measurement accuracy: ±3mm Measurement units: m, in, ft, ft/in Display accuracy: Class 2 Laser power: <1mW Waterproof class: IP54 Area measurement: √ Volumes measurement: √ Pythagorean measurement: √ Addition and Subtraction measurement: √ Storage function: √ Continuous measurement: √ Maximum measurement: √ MIN measurement: √ Multi-line display: √ Waterproof level: IP54 Operating temperature ranges: 0℃ to +40℃ Storage temperature ranges: -10℃ to +50℃ Laser auto-off time: 30 seconds later Machine auto-off time: 3 minutes later Item size: 110 * 47 * 25mm / 4.33 * 1.85 * 0.98in Item weight: 95g / 3.35ounce Package size: 135 * 65 * 40mm / 5.31 * 2.56 * 1.57in Package weight: 126g / 4.44ounce Package List Packing List: 1 * Laser Rangefinder 1 * Guideline