Product Description: Quantity: 1 piece Material: stainless steel + total length: 400 mm + measuring range: 0~360 Resolution: 0.05 + accuracy: 0.3 + battery: 1 * CR2032 3V lithium battery (included) Package Contents: 1*Digital Angle Finder Great locking feature: the tight/loose knob works well and you can adjust it to the tightness that suits your use Zeroing knob : simple and intuitive, using positive and negative angles Etched measurement: the engraved measurement provides a lifetime clear reading Durable Protractor The stainless steel digital angle, the Laser etched gauges provide clear reading. The digital LCD display is easy to read and takes the guesswork out High AccuracyThe accuracy of this angle finder is 0.3 degree. Measuring range: 0-360, folded length: 8 inch / 200 mm, total length: 15inch / 400mm Hold data and reverse measurement valueYou can save data during measurement by pressing "HOLD/Rev."; The display can be reversed for easy reading by long pressing "HOLD/Rev." press Combination of 2 functions Combination of a ruler and a protractor You can measure lengths and angles for easy measurement Note The steel edge stainless is sharp. Be careful when using it and keep it out of reach of children