If you want to change the display duration of the Sales Popup App then, Follow the below steps.
Step: 1 => Open the ShagunBox app and choose the Sales Popup app from the side menu.
Step: 2 => Scroll down, Change the popup display duration time from the Popup Display Duration Input field, See the Screenshot below.
Step: 3 => Click on the Save Settings button.
Note: The time will be measured in Seconds.