The digital level is more accurate and often easier to use than old school models with bubble vials. The versatility and accuracy of the 2.2" digital level make it an indispensable tool. Strong and Stable Magnetized Base --- The bevel gauge has a strong magnetic base that allows the cube to be attached directly to any ferrous metal surface, including a curved surface. Easy to Read and Hold Operation ---The digital level has an upgraded LCD display, the measured values displayed are clearer and brighter, and the reading is not affected even in the dark. Two measurement modes---Absolute angle mode and relative measurement mode, press the "REF" button to realize relative/absolute measurement exchange at any position, nothing easier. This sturdy mini tool also functions as an inclinometer, protractor, and level and bevel gauge. Portable and lightweight --- The digital inclinometer has a portable size, it is convenient to carry and to be combined with other measurement tools and allows the measurement range to be extended. It is compact and very affordable.