This digital goniometer is very convenient for measuring angles, making it easier and more accurate to read than other scale indicated angle levels. It is widely used in applications involving carpentry scoring, measuring and defining precise angles, such as pallets, sloped roofs and handrails. Can also be used as a spirit level to quickly measure horizontal and vertical angles.Features:Fast Measurement and Conversion Features, large LCD illuminated display clearly shows precise angles with 0.1 resolution and 0 225 measurement range. Absolute measurements are operated with vertical or horizontal bubbles.2 DIFFERENT HORIZONTAL BUBBLE Clear and instinctive green acrylic bubble with top view, allows you to easily read plumb, level and 45 degrees, provides maximum readability and aluminum alloy frame ensures durability and longevity. Convenient pivot lock easy to operate by operating the central release/hold button for locking the angle detectorand easy to measure. With holes for easy hanging and free carry. 4 Practical functions data hold function, can freeze measurement, perform relative measurement, low battery indication, automatic shutdown after 5 minutes of operation, prolong battery life. Versatile Ideal for carpentry, home decor, framing, custom furniture construction, stair and patio construction, floors, tiles and many moreDemand for carpenters, carpenters and contractors in the field.