Features 1、Digital protractor with ABS plastic box, is lightweight, sturdy and durable, easy to carry around. 2、Used to set appropriate blade angle on the lathe, edge cutter, belt, workbench, and circular saw. 3、With data retention button, it can save the readings for later reviewing and easy operation. 4、Support angle and slope reading conversion, built‑in magnet, easy to install on the measured object. 5、Relative/absolute measurement interchange at any location, easy to use with other measurement tools. 6、Supports automatic shutdown after 5 minutes, value always shows right side up, whether the unit is upside down or not. Specifications Condition: 100% Brand New Item Type: Protractor Material: ABS Plastic Box Weight: Approx. 55g / 1.9oz Measuring Range: 4 x 90° Accuracy Error: ±0.3° Working Temperature: 0-40℃ Display Resolution: 0.1° Battery: 2 x 3V CR2032 Battery (Battery Not Included) Accuracy: 0.1° Working Humidity: 40pct-80pct Color: Black Size: Approx. 55x55x16mm / 2.2x2.2x0.6in Package List 1 x Protractor (Battery Not Included) 1 x Manual