Dual Level- is accurate and easy to use tool to , it's now free, just take it!
To check whether your surface is horizontal or vertical? Just try Dual Level.
When it can help you?
- Home decoration
- Picture Alignment
- Angle measurement
- Measure angles of slope,escalator
- Measure the verticality of a wall, or furniture
- Measure the surface of a table
- And more...
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