English to German Law/Patents Reseller Agreement

Products will be delivered to Reseller F.O.B. XYZ's manufacturing facility. Title and Risk of Loss to the non-software related Products shall pass to Reseller upon delivery by XYZ of the Products to the carrier for shipment to Reseller. XYZ shall retain a security interest in such Products until XYZ receives payment in full and XYZ shall have the right in its sole discretion, to repossess the Product subject to the repayment of any sums paid by Reseller for the Product, less an appropriate sum for usage and costs incurred by XYZ in connection with such repossession. XYZ may, at its option, file financing statements, or the equivalent thereto, under the Uniform Commercial Code, or equivalent regulation, to perfect its security interest in the Product. Title to all software Products supplied to Reseller shall remain with XYZ and/or its licensors and shall not pass to Reseller or any other third party at any time.


I'm not sure about the "security interest" in this context. I would be grateful for your advise. Thanks.