Brand CATALEX Model N/A Quantity 1 Color Blue + black Material FR 4 Features Standard Arduino expansion board interface compatible with Arduino UNO Arduino MEGA2560 and other motherboards; On-board level conversion circuit that is the interface voltage is 5V or 3.3V; Communication interface is standard SPI supports SD / TF card SPI analog communication; Supports SD / SDHC / Micro SD / Micro SDHC (Please combined using with TF card adapter); Power supply: 4.5V~5.5V; On-board 3.3V regulator circuit Specification Supports SD card up to 32GB; Supports Micro SD / TF card up to 2GB; Supports micro SDHC card up to 32GB Application Great for microcontroller development and DIY experiment. English Manual/Spec Yes Other This module is compatible Arduino Shield interface; Directly plug in to the Arduino UNO motherboard Arduino MEGA 2560 or other motherboard to extend space of data storage; Easily finish reading / writing operation via the file system; Widely used in digital phone albums sensor long time / high frequency adopting system text reader etc needs large amount of data storage; SPI interface: MOSI MISO SCK these three signal pins from ICSP interface. Packing List 1 x Expansion boar 1 x English user manual