General description The Digital Protractor is a versatile tool designed for precise measurements in woodworking and home improvement projects. It features a 360° measuring range, allowing you to measure both inside and outside angles, as well as lengths. The protractor is constructed from high-quality stainless steel, ensuring durability and resistance to corrosion. Technical specifications Length measurement: 400mm Measuring angle: 0.0°~360.0° Accuracy: ±0.3° Resolution: 0.1° Operating temperature: -10℃ to 50℃ Dimensions: 28.7 x 11.18 x 2.779 cm Weight: 300g Battery: 3V CR2032 battery Average battery life: 000h Usage Measures length and angles with precision. Use the "° / '" button to switch between degrees and minutes. The "HOLD" button saves data during measurement. Reset data to zero with a short press of any angle using the "ON / OFF / Zero" function. Other information The ruler body is forged from high-quality stainless steel for durability. Laser engraved scale (mm and inch)