Winterworm Vertical Horizontal Digital LCD Display 400mm Angle Finder Meter Protractor 16&rdquo; Spirit Level Spirit level (Horizontal & Vertical) LED display with light feature Provides given angles Accurately measures angles Battery compartment It is a <span class="a-text-bold">digital angle measuring device</span> whose read is easier and exact than other scale indicated angle level. It is mainly intended for <span class="a-text-bold">applications</span> which involve lineation for woodworkers, measure and definition of the exact angles such as trays, sloping roofs and handrails. It also can be used as <span class="a-text-bold">spirit level</span> to quickly measure the horizontal and vertical angle. Backlight design: keep its normal use on dark light. Data holding function: Help the use on dark light. Mechanical lock (Lock knob): Keep the angle invariable in the process of line or measure the angle. The value of the angle increases or decreases in the step of 0.1 as you open or close the angle. ON/OFF LED Lighted display ON/OFF Button