Features ​​【Useful Tool】Mini digital rangefinder with angular indication, accurate measurement. 【Main Usage】High precision range finder can be used to measure distance, area and volume. 【Easy to Carry】Compact size and portable design, convenient to carry. 【Convenient to Use】Adopt LCD backlit display, convenient to read data in the dark. 【Wide Application Range】The instrument can be widely used in building and industry, especially in apartment buildings, factories and other large area. Specification: Material: Plastic & Aluminum alloy Weight: 127g/4.5oz Measurement range: 0.05-40m, 0.05-60m, 0.05-80m, 0.05-100m (Optional) Measurement accuracy:±2.0mm Measurement range: 0.05-40m, 0.05-60m, 0.05-80m, 0.05-100m  Measurement accuracy:±2.0mm  level: 2M level II type: 620-690nm, <1mW Area measurement: YES Volume measurement: YES Measurement of Pythagorean Theorem: YES Addition and subtraction methods: YES Tracking measurement: YES Maximum and minimum measurements: YES Angle shows: ±45 ° Back light: YES Beep tips: YES Data removal: YES Data storage: 99 groups IP54 protection (dust & splash proof): YES Operating Temperature: - 10 ~ 40 ℃ Storage Temperature: - 20 ~ 70 ℃ Battery Life: 5000 ~ 8000 measurements Auto off: 30s Power Auto off: 3min Power Supply: 2* AAA LR6 1.5V (Not Included) Size: 10.8*3.6*2.3cm/4.3*1.4*0.9inch Package List: 1* Digital Rangefinder Package List