Features • 2 in 1 Functionality: Combines a scale ruler and protractor, allowing you to easily measure lengths and angles for various projects • Wide Measurement Range: Measures lengths up to 200mm and angles from 0 to 360 degrees with high precision, ensuring accurate readings every time • Multi-Functional Design: Features a lockable protractor, HOLD button for stable readings, and a zero function for easy resetting, enhancing user convenience • Large LCD Display: Equipped with an easy-to-read LCD screen with 0.1° resolution, providing clear visibility even in low light conditions for accurate measurements • Versatile Usage: Ideal for woodworking, construction, and drawing projects, making it a tool for carpenters, builders, and DIY enthusiasts Features: 1、2 IN 1 ANGLE RULER: The combination of scale ruler (mm and inch 2 units) and protractor makes it easy to measure length, internal angle, outside corner. 2、WIDE RANGE: The ruler can measure a maximum length of 200mm, and the protractor is measurable from 0 to 360 degree, with high accuracy. 3、MULTI FUNCTION: The protractor can be locked at any angle by turning the lock knob. Pring the HOLD button will keep the reading. Long pr and hold Rev button, the display screen can convert ° and '. Zero button allows resetting measurement. 4、LCD DISPLAY: Digital angle ruler is equipped with large LCD display screen, which is easy to read, with a resolution of 0.1°, can obtain clear readings even under low light conditions. 5、WIDELY USED: This angle ruler is suitable for woodworking, construction, drawing, etc., can be given to carpenters, constructor, DIY enthusiasts, etc. Specification: Item Type: Digital Angle Ruler Material: Stainl Steel Battery: 3V CR2032 x 1 (shipped without battery) Measurement Range: 0-360° Specification: 200mm Reading Value: 0.05° Accuracy Error: ±0.3° Package List: 1 x Digital Angle Ruler 1 x User Manual Package List 1 x Digital Angle Ruler 1 x User Manual