To configure the backend settings, navigate to the Dashboard > WB plugins > Woo pin code checker. Now here you can find the general setting of the plugin.
Show Delivery Date: Enable this option to display the delivery date on the product page.
Select Delivery Date Format: This option allows you to select any date format from the dropdown list to display on the product page.
Select Pincode Label Text Color: Allow you to select Pincode Label Text Color
Select Button Color: Allow you to select the “check” button color.
Select Button Text Color: Allow you to select Button Text Color