Angle meter Data hold mode: short press the hold button to lock the current reading for recording. Slope mode: long press to enter slope measurement for incline angles. Angle measuring tool Suitable for building, carpentry, masonry, automobile, and other applications that require accurate angle measurement. Digital electronic level Portable size and easy to use with other measuring tools to expand the measuring range. Level box Magnetic design allows mounting on metal surfaces easily for hands work. Applications Construction and carpentry tasks such as framing, door and window installation, and trim work, where capturing and holding angles improves accuracy. Masonry and tiling projects including bricklaying, tile layouts, and slope guidance for stairs or ramps. Automotive or machinery assembly and alignment, where combining with other measuring tools extends measurement capability.