4in1 Digital Protractor Angle Ruler Level 360 Degree

Features:
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

Material: Carbon fiber + ABS
Specifications:0-200mm,0-300mm.

Size:
0-200mm:about 220mm;
0-300mm:about 317mm.
Measuring range: 0-360 °
Resolution: 0.1 °
Accuracy: ± 0.3 °
Working power: 3V
Battery model:1*CR2032(not included)
Operation time: 5,000 hours
Operating temperature: 0 °C – +50 °C
Working humidity: ≤85%
Automatic closed screen time: 6min
Usages: Measurement of angle and length

Packing includes:
1* 2-in-1 Digital Angle Ruler
or
1* 4-in-1 Digital Angle Ruler