Zen Cart Impulse Buy is a last minute cross-sell/upsell module. It shows a group of items of your choosing on the Checkout Shipping page that can be purchased with the click of a checkbox. The sales funnel is not disrupted by returning to the shopping cart page; the customer goes directly to the payment page.
Items set for Impulse Buy will be shown on the checkout page under the following conditions:
Cart Version: Zen Cart 1.3.9, 1.5.xProduct Version: 1.2a
For more information, please visit this product's webpage.