2 IN 1 FUNCTIONSVersatile angle measuring tool that serves as both a digital protractor and a ruler. Manual and automatic shutdown, clear, energy saving and extending service life. Made of high quality stainless steel, economical and durable. LCD DISPLAY The protractor is equipped with a large, easy-to-read LCD screen (accuracy: 0.3; resolution: 0.1), can measure 360 degrees from inside to outside and measure the reverse angle, the measured value is stable and reliable. WIDE APPLICATION The stainless steel electronic ruler is easy to use for everyone, allowing you to measure faster and save your precious time, a good choice for family DIY projects, woodworking, decoration, machining. HOLD AND DELETE The data of the angle ruler can be held at any position, which is convenient for reading after measurement. Any position can be cleared, which is convenient for both absolute and relative measurements.