2 in 1Combination ruler and protractor for easy measuring. Used simultaneously as a digital protractor and protractor to measure all shop angles. The digital angle gauge has metric and imperial sizes laser engraved on the edge of the ruler, as well as an accurate digital display, and can measure angle and length, which is very suitable for carpentry, construction or design. High PrecisionThe accuracy of this digital angle ruler is 0.5 degrees. Measuring range: 0-360/0.00-999.9. Folded length: 11 inches / 300 mm. Total length 600 mm. It's a great choice for most projects and everyday use, for family DIY projects, woodworking, decorating and machining. Lightweight and durable, LCD display Thickened nylon glass digital false square angle finder, wide, high strength nylon fiberglass material, good rigidity, wear resistance, no deformation. When measuring an angle, the protractor has a large, easy-to-read LCD screen, and you no longer need to look and guess the angle and length. 360 Degree ReversalThe digital protractor tool has a reversal function. Place the angle finder gauge where you need to measure the next cut, lock it in place with a knurled lock nut, mark it, then use a miter saw to cut. The display has a hold function that can freeze movement to ensure accuracy. You can save a lot of time and energy. Power Supply CR2032 3V lithium battery power supply, large capacity standby and automatic power off function, can work more than 2000 hours, save energy and extend battery life.