Descriptions:  ★HIGH ACCURACY: With laser precision technology, accuracy ups to ±2mm, measuring distance extends to 40M; Switchable among M/In/Ft for free adjustment.  ★DURABLE AND HANDY: IP54 waterproof level and dust-proof function protect the laser distance measure to the maximum extent; Pocket size laser measure with a aluminum alloy body looks more high-end and easy to store.  ★MULTIPLE MEASUREMENT FEATURES: Area, distance, length, volume, continuous measurement, Pythagorean method-three points; Addition and subtraction; Low battery indication; 20 groups data memory; Manually delete data; Auto shut down after 150s without any operation to save power.  ★SIMPLE OPERATION: Compared with manual measurement, the Laser Measure greatly reduces the measuring errors. In addition, it comes with electronic angle sensor to provide much preciser and more intuitive data. Assures you a easy and quick measurement.  ★LCD BACKLIGHT AND MUTE SETTING: Large backlight screen provides you with a better visibility in dark areas; Mute setting allows you turn on or off the measure beep at your will, suitable for using in library, classroom and other quite places.  ★ELECTRONIC LEVEL FUNCTION: electronic angle sensor,real-time angle display.When the angle of the rangefinder changes, the angle change can be displayed on the screen in real time. Range: 0°-90°.     Specifications:  Electronic level: √.  Measurement accuracy: ±0.002m.  Resolution: 0.001m.  Measuring range: 0.05m - 40m.  Unit switch: m/in/ft.  Battery: Buil-in battery,USBcharging.  Max/Min: √.  Length/width/height/measurement: √.  Continuous measurement: √.  Area measurement: √.  Volume measurement: √.  Pythagorean measurement: √.  Electronic angle: √.  Measuring Time: 0.1-3s.  Display: LCD with Backlight.  La-ser Class: Class II.  La-ser Wavelength: 635nm.  La-ser Output: <1mW.  Water-proof and Dust-Proof Grade: IP54.  Weight: 50g.     Package Includes:  1 x Laser Rangerfinder.  1 x English User Manual.  1 x USB Charging Cable