Feature: 1. Stable Horizontal Bubble: When measuring the distance, keep the water droplets in the horizontal bubble in the middle, and the distance can be measured by 50 meters. 2. 30 Sets of Data Can Be Stored: 30 sets of historical measurement data can be stored, which is convenient for viewing and browsing at any time. 3. One-Click Altimetry: Measure the hypotenuse distance and automatically obtain: angle, horizontal, vertical distance. 4. Laser Optical Lens: With a powerful anti-interference laser head, the receiving capacity is enhanced, and the accuracy can reach ±1.5mm. 5. Multi-Scene Measurement: Adopting the main control chip, it has a higher and more stable experience, sensitive/stable/intelligent. Specification: Specifications: Model: G50 / G70 / G100 / G120 (Optional) Measuring Range: 50M / 70M / 100M / 120M (Optional) Material: ABS Measurement Accuracy: ±1.5mm* Reference Selection: 0.5-1S Benchmark Selection: Front Benchmark / Back Benchmark Unit Selection: m/inch/feet Area Calculation Method: √ Volume Calculation Method: √ Pythagorean Calculation Method: √ Height Difference: √ Addition and Subtraction Function: √ Data Storage: 30 groups Laser Grade: Class II Battery: 2 * AAA batteries (Not included) Battery Life: 10000 Operating Temperature: 0℃~40℃ Storage Temperature: -25℃~70℃ Item Size: 110 * 45 * 24mm / 4.33 * 1.77 * 0.94in Item Weight: 80g / 2.82oz Package Weight: 162g / 5.71oz Package Size: 15.8 * 9.8 * 4cm / 6.22 * 3.85 * 1.57in Package List: Package List: 1 * Laser Rangefinder 1 * Lanyard 1 * Storage Bag 1 * Packing Box 1 * User Manual (English)