Delivery Date And Time Slot - Opencart extension

The Date & Time Based Delivery Slot module allows the Delivery Date and Delivery Time field has shows on product details page.
Features
1. Admin can setting delivery date and delivery time, the label of delivery date and delivery time.
2. Assign customer groups.
3. Assign multiple products, multiple categories and its child categories products.
4. Assign Manufacturer.
5. Date picker for delivery date
6. Set time interval (in minutes)
7. No hidden/extra cost
8. Support all theme journal2, journal3, pavo, foster template; support quick checkout, one page checkout.
9. Support opencart version 2.X + 3.0.X