Popups are best and latest method to take the attention of Customers, whether that attention is to convey a important message or information and to let them introduce with our products and offers.
Here , we comes with a latest popup window module that completes your requirements with deep understanding.
with this module you can show basic to advance popup on your Opencart store.
You can Set a no. of popups on a same page .
[Features]

Highly Customizable with Rich features in Admin.
1). Set Popup Title, Title font color, Font-size
2). add image customize it 100% width or auto
3). Set Opacity of Popup
4). Add any html design imformation as you want through summernote editor.
5). Set Popup Footer, Footer Font-color, Font-size
6). Set Popup Width in Percentage %
7). Set Popup background Color
8). Set Cookies
9). Set Popup view time after page loads
10). Set Popup Mobile view (Enable/Disable)
11). Three Diffrent Close button designs :)

Demo
Admin
Front