Following are the features of Drivelert :
-- highly accurate
-- customizable time sensitivity
-- works even subject is wearing spectacles
-- low percentage of false alarm
-- extremely reliable
-- sharp alarm
-- night mode available
-- simple to use
-- can be used in any work environment
Drivelert has many other applications and can be use in variety of work environments to combat drowsiness.
* Night Mode - Night mode makes camera preview disappear leaving the screen to emit white light that lights up the driver's face. Even in the extreme dark, Drivelert was able to track drowsiness from 40 inches. The accuracy of night mode strictly depends the smartphone's front camera, the brightness of the screen and the distance between the face and the screen.
**If you are getting "screen overlay detected" message refer https://www.androidpit.com/how-to-fix-screen-overlay-detected-error
Drivelert's ideator: Akash Gupta