FESTURES: 

• [Digital Angle Finder Protractor] with High Accuracy, Delicate Design and Modern Appearance, An Interior Designer Should Have One!

• [Backlit LCD Display] Come with Backlit LED Display Which Makes it Possible to Read the Data Clearly, Even under a Low Light Circumstance.

• [High Accuracy] Angle Range is 0-225°, Length 18.15Inch, Resolution: 0.1 °, Measuring precision: ±0.5°.

• [Data Hold] If You Want to Use Data Holding Function, You Need to Press the HOLD Button rather than Twist the Knob. (The Knob is Just for Loosening and Tightening. It Can't Hold the Angle Firm Completely!).

• [With Horizontal and Vertical Bubble Level] It Also Can Be Used Like a Spirit Level, Helping You to Check and Calibrate (NOTE: It is NOT a Digital Level. Will Not Display a Number on LCD, Just Only Assist You to Judge If It Is Horizontal / Vertical or Not).

SPECIFICATIONS: 

• Material: aluminum alloy
  
  
• Weight: 1.02lb
  
  
• Battery: 1 * 9V
  
  
• Size: 18.15 * 2.05Inch
  
  
• Angular range: 0-230 °
  
  
• Resolution: 0.1 °
  
  
• Measuring accuracy: ± 0.5 °
  
  
• Package: 1 * angle ruler for digital display made of aluminum alloy