From Where to set deliver/pickup date and time?

Delivery/Pickup time select option is an awesome feature in this plugin. Customer can select the time when he/she want to delivery and provider delivery the product on that time. Here is the screenshot of how and where the Delivery/Pickup time settings in the admin.

Delivery/Pickup time set options.

Where will show Delivery/Pickup date and time select option?

Customers will find the option on the checkout page to select the delivery date and time.