Feature:1. Magnetic Design: The inclinometer adopts a strong magnet adsorption design, and the bottom is magnetic to release your hands.2. Multi Angle Flip: When the inclinometer is upside down, the display screen will automatically flip, 360 ° measurement, easy to view the data.3. 4 Unit Modes: The angle and slope of the digital protractor can be switched at will, and the unit can be switched by pressing the UNIT key.4. 2 Measurement Modes: The digital angle gauge has 2 measurement modes: absolute mode measurement and relative mode measurement.5. Easy to Read: The magnetic angle gauge is small and portable with a display for easy recording and easy reading.Specification:Item Type: Digital InclinometerMaterial: Zinc AlloySize: Approx. 52 x 52 x 28mm/2.0 x 2.0 x 1.1inResolution: 0.1°Working Temperature: 0℃~40℃Relative Humidity: 40%~80%Reference Point: Horizontal PlaneMeasuring Range: 4 x 90°Power Supply: 3 x 3V CR2032 Button Battery Single Capacity: 240mAh (Included)Gross Weight: Approx. 134g/4.7ozHow to Use:1. Install 3 button batteries2. Turn on the power button to measure3. Two modes can be selected, absolute mode and relative mode, short press CAL key to display 0.00°, measure relative modePackage List:1 x Inclinometer1 x Instruction Manual3 x Matching Battery1 x Storage BagNote:Please allow some errors due to manual measurement.