Brand: AutomationDirect Item: Memory card Operating Temperature: -25 to +85 deg C For Use With: All products with microSD memory card slot Memory Type: TLC NAND Grade: Standard Memory Media: 16 GB microSD Capacity Standard: SDHC Speed Class: 4 Mbps AutomationDirect standard memory card, 16 GB microSD. For use with all products with microSD memory card slot.