How to take screenshot on Plum Optimax 10

Brand: 
Plum
Model: 
Optimax 10
Instructions: 

1.To take a screenshot or screen capture with the Plum Optimax 10​ Press and hold the POWER button, and then press the VOLUME DOWN button and hold it for one or two seconds.

2. In principle, all the same - you'll see a message in the notification bar and find the resulting album screenshot gallery.