Sale countdown timer

In this guide, you can set Sale Countdown Timer for certain products.
To use Product variation swatches, you'll need to activate the Insight Swatches plug-in. From the Dashboard, go to Plugins > Installed Plugins > Activate Sales Countdown Timer Premium for WooCommerce and WordPress

For products have no variations:

Step 1: From the admin dashboard, navigate to Products > All Products.
Step 2: Select the product you want to set the sale countdown timer for.
Step 3: At the Product data section, choose Product type as Simple product
Step 4: From the tab General, click on Schedule next to the Sale price, set the Sale price as well as the valid time for it.
Step 5: Set some more options right below as you want, then choose the Countdown timer profile.

For products have variations:

At step 3: Select Product type as Variable product
Step 4: Select tab Variations, click on each variation to display the settings
Step 5: Here you will also set the Sale price, valid date and time for the sale, and other settings.
Step 6: Click Save changes after finished editing.
Note: Don’t forget to hit Update to save your changes for that product.

How to customize Countdown timer profile:

Step 1: Select Countdown Timer from the admin dashboard
Step 2: Here you can customize its settings with General settings, the countdown timer design for both 2 types of Countdown timer profile.
Step 3: Click Save when finished your customization.