Features 1、2‑in‑1 ruler and protractor design, suitable for most woodworking projects. 2、With a large LCD screen, it is convenient to display the angle value clearly and intuitively. 3、Allows 360‑degree measurement of internal and external angles and reverse angles. 4、Using high‑quality stainless steel material, it is safe and durable, compact and portable. 5、With 3V button battery, large capacity, low power consumption and long service life. Specification Item Type: Angle Finder Material: Stainless Steel Product Specifications: 0-300MM Measuring Range: 0-360° Surface Treatment: Chrome Plating Tolerance: ±0.3° Resolution: 0.05° Battery Model: 3V CR2032 Battery Type: Button Battery Battery Capacity: 200mAh Number of Batteries: 1Pc Product Use: Cutting angle of wood, angle measurement of cabinet making, measurement of sheet metal angle, angle of leaf blade, measurement, drawing, standing biology, medicine, packaging and other fields that need to measure angles, etc. Package List 1 x Angle Finder 1 x 3V CR2032 Battery