Feature 1Digital inclinometer, the measuring surface is magnetic and can be attached to the metal surface. 2Highdefinition LCD display, highaccuracy resolution, intuitive display of measurement results. 3Portable protractor, small size, light weight, easy to carry, suitable for woodworking. 4Absolute or relative measurements can be made to determine the exact angle or the difference between two angles. 5Suitable for installing shelves and cabinets, leveling tiles and picture frames, measuring inclined roof angles, installing window and door, etc.Item Type: Level Angle MeterMaterial: ABS+Aluminum AlloyWeight: Approx. 77g / 2.7ozProduct Size: Approx. 5.6x5.4x2.5cm / 2.2x2.1x1.0inBattery Information: 2PCS AAA Battery (Battery Not Included)Measuring Angle Range: 4 x90Accuracy: 0.2Resolution: 0.1Display: LCD Display GlowsWorking Temperature: 0- +40 (32-104)How to Use:1. Press and hold the shell by hand in the off state, first press the ZERO button, and then press the ON/OFF button, the LCD displays CAL 0, and it enters the calibration state2. Release 2 buttonsPlace the base level of inclinometer on the adjusted level; when the inclinometer is stable, CAL 1 will be displayed. At this time, rotate the inclinometer 90 degrees clockwise and place it on the horizontal surface, a few seconds later, will display CAL 2. Pick it up again and rotate it 90 degrees clockwise, the same as below, until CAL 3 is displayed and it will automatically shut down after it is stable, and the calibration is complete. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Level Angle Meter (Battery Not Included)1 x ManualNote1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.