Special Features:

Digitally displays degrees, percent slope and pitch to 1/10 degree accuracy; push button calibration; features audio sound at level and plumb; includes standard 9v battery; can be used alone or with carpentry and construction levels- regular and magnetic

Properties:

An instrument consisting of a leveling and sighting device, used for general topographic measurements, such as determining and delineating the form, extent or the like, of a tract of land. It is manually adjusted. Excludes clinometer, elevation and depression, surveying and level, optical, automatic.