1.High precision measurement: The built-in high-precision sensor ensures the accuracy of angle measurement 

2.large screen LCD display-Intuitive and easy to read 

3.multiple unit conversions:degree（°）、minute（’）、 second（”）.

4.Data retention: able to lock the currently displayed data for easy recording and comparison;

5.Automatic shutdown to save energy 

6.Portable

Material: Stainless steel

Range: 360°,200mm/8”,300mm/12”,500mm/20”

Accuracy: ±0.3°

Battery: CR2032 3V battery