Magnetic: Built-in magnet on the bottom surface, convenient to be attached to the object measuring piece. Function: Data hold and slope function. Relative/absolute measurement exchange at any position. Auto power off in 5 minutes. High Quality: Ultra-light aluminum alloy shell with high durability. ApplicationUsed to measure the angle in the automotive, woodworking, building, drilling machinery, etc. It is especially easy to measure helicopter pitch, miter saw bevel angle, automotive test and repair, etc. Storage and portable: The additional LCD screen is convenient to read. Small and light, it is really easy to carry and use. Convenient to cooperate with other measuring tools and enlarge the measuring range Product Description Electronic inclinometer, portable and lightweight. Excellent for precision angle measurements. Key Features: 1. Aluminum alloy precise measurement surface structure. 2. Quick response to measured values 3. Large LCD screen. 4. Measured value hold function. 5. Automatically turn off the screen without using for 5 minutes. 6. 360 degree measurement in 4 directions. 7. When measuring inverted, the reading angle displayed on the LCD automatically flips up. 8. Absolute horizontal calibration (relative measurement and absolute measurement). 9. Slope conversion function. 10. Multifunction measuring tool, 3 in 1 protractor, inclinometer and spirit level. 11. Magnetic bottom. Features: Material: aluminum alloy. Power source: 2 AAA batteries. Measurement range : 4 x 90. Operating temperature: 0 ~ 40C. Accuracy: 0.2. Resolution: 0.05 Repeatability: 0.1. Contents: 1 digital inclinometer. 1 user manual (French no guaranteed).