Precise and Quick Measuring: The portable laser rangefinder features greem beam measuring that is 4x brighter than standard red beams, a wide measuring range of up to 70 meters, a fast speed of 0.5-1s, and a high accuracy of ±1.5mm. Multiple Measuring Ways: Support angled, horizontal, and vertical distance measuring, suitable for daily and professional measurement for homes, construction, and industries, especially in large areas such as rooms, apartments, buildings, real estate, factories, warehouses, etc. Large Display Screen: Easy to see clearly and operate, supports m/inch/foot measurement units switching, you can choose one that you are most familiar with; supports up to 30 sets of historical data storage. Battery Power Supply and Low Power Consumption: Powered by 2 * AAA batteries (not included), no need for frequent charging, quick to use, and the lifespan of batteries is up to 10,000 hours. Lightweight and Portable: Sized at 11x4.5x2.4cm and quipped with a storage bag, you can easily take it with you anywhere you go. Specifications: Measurement Accuracy: ± 1.5mm Measurement Range: 70m Measurement Speed: 0.5-1s Measurement Benchmark Selection: Front benchmark/rear benchmark Measurement Units: m/inch/foot Area Calculation Method: Supports Volume Calculation Method: Supports Calculation Method for Pythagoras: Supports Height Difference: Supported Add/Subtract Function: support Continuous Measurement: Supports Historical Data Storage: 30 sets Battery Type: 2 * AAA batteries (not Included) Battery life: 10,000H Laser Grade: Class II Working Temperature: 0-40 ℃ Storage Temperature: -25-70 ℃ Size: 11x4.5x2.4cm/4.33x1.77x0.96inch