200mm Digital Instrument Angle Inclinometer Angle Digital Scale Electronic Goniometer Protractor Redmiter@ The product is shipped based on the color or size of the main image of the product page. 200mm Digital Instrument Angle Inclinometer Angle Digital Scale Electronic Goniometer Protractor Angle Detector200mmThe product is shipped based on the color or size of the main image of the product page.Colour:200mmOrigin: CN(Origin) Product: 2-in-1 Digital Angle Ruler Material:Carbon fiber + ABS. Size: 0-200mm:about 220mm; 0-300mm:about 317mm. Measuring range: 0-360 Degree. Resolution: 0.1 Degree. Accuracy: ?? 0.3 Degree. Working power: 3V. Battery model:1*CR2032(not included). Operation time: 5000 hours. Operating temperature: 0 degrees Celsius to 50 degrees Celsius. Working humidity: ??85%. Automatic closed screen time: 6min. Usages: Measurement of angle and length. Feature: 1. Professionally measure the inner and outer angles and angles of objects. 2. 0-360 ?? complete measurement. 3. Easy to lock at any angle compact accurate measurement easy to read. 4. With a locking knob convenient to lock the angle at any position. 5. 5 minutes automatically shut down induction automatically boot. 6. Button function: open / key clear key data hold button degree and degree conversion button. Packing list: 1 x 2-in-1 Digital Angle Ruler.