Multi-Function Electronic Level Meter is an intelligent tilt-measuring instrument developed by employing digital angle sensor and several modern technologies. It is capable of measuring absolute angle, relative angle, and the degree of slope, horizontality, gradient, and verticality. It features digital display, self-calibration, CPU fraud-prevention and convenient use. It can be applied in the process of modern building project, such as construction, supervision, quality control, and detection of the horizontality, verticality and gradient during the acceptance.