256GB plug-and-play capacity with included SD card reader to read SD card information and view it on your computer. 1 x 256GB MicroSD Card. Local video storage functionality is Not compatible with Blink XT2, XT256GB MicroSD Card and All-new Blink Sync Module XR Mount, No-Drilling Sync Module Mount for Blink Outdoor Indoor Security System, with Short Cable and Card Reader (Sync Module XR is NOT Included).