Save the flicker curves, index, frequency, flicker percentage and SVM value.
You get 25 trail uses or you can get unlimited use, by submitting your email.
You will get the best result be following the instruction in the video on our website:
or click the Viso Systems logo in the top of the app.
This is an early version, which is not 100% accurate, but provides a good indication.
Warning: May be highly inaccurate on some devices.