<b>Specification:</b></br> ✔ Measuring Units: M/ Ft/ Inch/ ft+in</br> ✔ Measurement Range: 0.15to 360.8 feet</br> ✔ Measuring Accuracy: ±1/16 inch</br> ✔ Operating Temperature: 0°C~50 °C</br> ✔ Laser Type: Grade II, 635nm, <1mW</br> ✔ History Measurement Records: 20 Groups</br> ✔ Auto Instrument Switch-off: 180 seconds</br> ✔ Batteries Type: 2x 1.5V AAA batteries(included)</br> ✔ Waterproof: IP54</br> </br> <b>Features:</b></br> 1. Built-in Electronic Level</br> 2. Battery Status Indication</br> 3. Set Up Front/ Rear/End Piece Benchmark</br> 4. Indirect Measurement by Pythagorean Theorem</br> 5. Calculation of Area, Volume, Addition/Subtraction</br> 6. Large LCD with Backlight and Multi-line Display (3 Lines)</br>