S100 100M Laser Distance Meter Range Finder Infrared Laser Distance Measuring Equipment Item Type: Laser Distance Meter Material: Plastic Color: As shown in the picture Product Size: Approx. 117x52x27mm / 4.61x2.05x1.06in Product Model: S100 Measuring Range: 0.05~100m Measurement Accuracy: ±2mm Laser Class: 2M II Laser Type: 620-690nm, <1mW Area: YES Volume Measurement: yes Measurement of Pythagorean Theorem: Yes Addition and Subtraction: yes Tracking Measurement: yes Maximum and Minimum: YES Backlight: Yes Prompt Tones (Can Be Turned Off): Yes Data Deletion: yes Data Storage: 20 groups Dust and Water Splashing: IP54 Operating Temperature Range: 0~40℃ Storage Temperature Range: -20~65℃ Battery Life: >5000 times Power Supply: 2xAAA LR6 1.5V (not included) Automatic Laser Shutdown: 30s Automatic Power Off: 3min Prohibit: 1. It is forbidden to open or repair the equipment. 2. Measure in the sun. 3. Others are beyond the specified range. 4. Immerse the equipment in water. 5. Use ethanol or any other organic solvent to clean the lens. 6. Wipe the lens directly with fingers or other rough surfaces. 7. The power supply to the equipment exceeds the rated DC voltage.