How to take screenshot on Allview V3 Viper

Brand: 
Allview
Model: 
V3 Viper
Instructions: 

One of the easiest things in the world.
To make a screenshot on the Allview V3 Viper  just have to:
1. Go to the screen or image you want to capture on your Allview V3 Viper
2. Simultaneously press the power button and volume down.

This screenshot is saved to your gallery in the "Screenshot" folder or "Screenshots"
3. Once there, you can tab to share, send the screenshot via email, facebook, whatsapp, or option you prefer.