Features 2-in-1 Digital Angle Finder Protractor :can be used for measuring lengths and angles, both internal and external. Digital angle finder ruler tool is made with high quality stainless steel and with durable etched measurements. Locking Function:With locking knob, at any convenient position locking angle Continuous scale on both sides of digital display angle ruler so you can measure greater lengths in inches and mm, High Accuracy Measure Angles Tool: Digital protractor is equipped with a large LCD display for easy reading. The accuracy is ±0.3°. The digital angle gauge supports measurement between metric(mm) and imperial(inch), This angle rule allows a full range of 0~360° to measure. LCD Display Quickly to Read: Quick and easy to read the measurement with LCD clearly display Wide Application: Digital calculation system makes angles and length measurements more quickly and accurately.Great for work in woodworking, engineering, metalworking, carpenter, construction, crown molding & DIY. Specifications: Material: Stainless steel Measurement range: 0-360°, 0-300mm Accuracy: ±0.3° Resolution: 0.05° Operating temperature: 5℃-45℃ Battery: 1 x 3V CR2032 Battery Total length: 380mm / 14.96inch Weight: Approx. 280g Package Included: 1 x Protractor Ruler Package List