KXL-E Digital Handheld Laser Distance Meter Range Finder Measure Diastimeter (E40) Features: Mini digital laser rangefinder with angle indication, accurate measurement. Compared with the D series, E series has more functions of electronic level, 99 groups of data storage and automatic calibration. High precision laser range finder can be used to measure distance, area and volume. Compact size and portable design, convenient to carry. Adopt LCD backlit display, convenient to read data in the dark. The instrument can be widely used in building and industry, especially in the room, apartment buildings, factories and other large area. Specification: Material: Plastic & Aluminum alloy Weight: 164g/5.8oz Measurement range: 0.05-40m, 0.05-50m, 0.05-60m, 0.05-70m, 0.05-80m, 0.05-100m (Optional) Measurement accuracy:±2.0mm Laser level: 2M level II  Laser type: 620-690nm, <1mW Area measurement: YES Volume measurement: YES Indirect measurement by Pythagorean Theorem: YES Addition and subtraction method: 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 Laser auto off: 30s Power auto off: 3min Power Supply: 2* AAA LR6 1.5V (Not Included) Size: 11.5*5*2.3cm/4.5*2*0.9inch Package List: 1* Digital Laser Rangefinder 1* Hanging cord