This intelligent laser rangefinder has long measuring distance, with high accuracy, fast measurement speed, comfortable grip, with long measuring lifespan. Digital display for clear data readings, and with 20 sets of data storage function, you can save and view the data at anytime. 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 Pythagoras measurement. Features: ​【Aesthetic Design】: The overall design is hard and simple, rich in technology, with a curved design on the back, which is more in line with the ergonomic design concept, comfortable to grip. 【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. 【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. 【Laser Light】: Adopts high precise laser source, with high brightness which can provide a nice reference of vertical lines for the renovation project. 【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 Pythagoras measurement. 【Multi-application Scenarios】: Wide applications, suitable for road engineering, housing engineering, construction engineering, water conservation engineering, electrical power engineering, pipeline engineering, etc. Specifications: Name: Laser Rangefinder Material: plastics Model: SK-40A, SK-50A, SK-70A, SK-100A, SK-120A (optional) Battery: 3 * AAA battery (not included) Measurement ranges: SK-40A: 0.05-40m SK-50A: 0.05-50m SK-70A: 0.05-70m SK-100A: 0.05-100m SK-120A: 0.05-120m Measurement accuracy: ±2mm Measurement units: m, in, ft, ft/in Measurement time per unit: 0.25S Laser type: 635-370nm,