This is a great, simple spirit level to measure vertical and horizontal angles. It helps you to align pictures, furniture and all other objects.
* Set your own layout colors
* Three different display modes
* Easy calibration
* Angles with or without decimal place
* Visual or acoustic feedback when angle is 0° (optional)
* Set a range for the feedback
* Swap x and y axis
* Display can be kept active
* Application can be moved to SD card
... and if you've got any suggestions or problems, just write an email!