A digital display Angle ruler is very convenient and accurate to measure the angle 【Large LCD display, high accuracy】 Digital protractor equipped with a large LCD display, keeping the value that lets you freeze the display before moving; measuring range: 0~999.9°; accuracy ±0.3°; resolution 0.05° 【Locking Function】Convenient locking screw - By pressing the screw, the ruler can be kept at any angle. 【2 IN 1 Digital Gauge】 Digital stainless steel ruler and angle finder combination for precise measurement. The hinge mechanism on the angle ruler allows complete 360-degree measurement of internal and reverse angles; the protractor combines standard and metric scales. Relative and absolute angle measurement. 【Durable Ruler and Low Power Consumption】Stainless steel body can be used for a long time; HOLD and RESET function, laser engraved scale, clear and accurate, will not fall off. In addition, it has the advantage of energy-saving, it will automatically turn off after 6 minutes of inactivity. 【Battery Included】High-capacity standby with automatic power-off function, over 2000 hours of work with CR2032 coin cell battery. Save power and extend battery life. 【Widely Used】Inch and millimeter measurement, you can draw lines and measure the outer angle, inner angle, and also the length at the same time, suitable for woodworking and construction. Product range: 360°Resolution: ±0.05°/3"Tolerance range: ±0.3°Battery type: CR2032 3VScale body quality:2CR13 stainless steelPackage includes:1*Digital display Angle ruler Warm Tip: Dear buyer, due to the lighting effect, monitor brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!