Range & Precision: Measuring range is 0-225° (vertical and horizontal) at a measuring precision of 0.5°. NOTE: It is not a digital level Easy Reading: Easily readable LCD display shows the exact measuring results at once with data holding function Convenient Design: HOLD button to lock angle; Hole to hang the digital angle level Application: Perfect to measure the exact angles such as trays, sloping roofs and handrails, while can be used in lineation for woodworkers Friendly Details: Automatically shut off after five minutes to prolong the life of batteries with low power alarm