The SmartSled case conveniently attaches any KDC400/470 series barcode, NFC, or MSR card reader to the iPhone7 or iPhone8 and enables the user to utilize the benefits of a modular Bluetooth barcode scanning or mobile payment solution.KDC Scanner Sold SeparatelyCase manufactured by OtterBox, modified by KOAMTAC. Includes:Defender series slipcoverDefender series shell