This product has horizontal bubbles on the top, which is more conducive to measuring balance. Features Ultra-small size, portable design and simple operation. The magnet is adsorbed on the measuring surface and can be attached to the measured workpiece Conversion between relative measurement and absolute measurement Multi purpose measuring tools, Protractor, inclinometer and level. There is a magnet at the bottom, which can be adsorbed on the measured object. Easy to carry, fast response to measured values, backlit LCD. Portable size, easy to use with other measuring tools to expand the measuring range Using Range: Wood processing: precision cutting of wood corners Automobile repair industry: accurate control of tire assembly angle Machining: accurate positioning of the working angle of the machine tool and the rotation angle of the boom Specifications: Material: Plastic ABS Color: Black/Red optional Size: 60 * 30 * 55mm Measurement range: 4 * 90 2 * 180 Display resolution: 0.05 , 0.05 (< 100 ), 0.1 (100 ~ 180 ) Accuracy: 0.2 Repeatability: 0.1 Operating temperature: 0 C ~ 40 C Power Battery: 2*1.5V AAA battery Package size:60*30*55mm Packing list: 1 * inclinometer 2 * 1.5V AAA battery 1 * instruction