Description: 1.High precision one-piece moulding process, alloy material, comfortable hand feeling. 2.Powerful function, you can word test, you can also do multiple tests, you can also test the angle. 3. Compact and lightweight, 40g grams, holding in the hand without any burden. 4. High measurement accuracy, durable and strong range. 5. Wide range of application, you can use it any time you need to measure, house decoration measurement, infrastructure measurement and so on. Parameters: Material: ABS Measuring range: about 60m/about 197ft Measuring accuracy: approx. 2mm, approx. 0.08in Measurement mode: Area / Volume / Pythagorean theorem / Continuous measurement Measuring unit: metres/feet/inches (No need to change the unit every time, it will keep the final setting.) Self-calibration: Yes Battery: 200 mah lithium-ion battery, can measure the distance 2000 times, charging only need half an hour. (Ships with internal lithium battery) Buzzer indication: Yes Storage temperature: -25~60 Operating Temperature: 0~40 Protection grade: IP54 Colour: black Packing list: manual + rangefinder + data cable