Description UART Grove & I2C Connection Compatible Provides a storage space for your Arduino Can read/write SD card via Arduino's built-in SD library Supports SD, SDHC and Micro SD cards View more Dimensions Size: 68.7x53.5x19.00 mm Weight: 14.8g Links PDF Files ZIP File Specifications Voltage: 3.5V to 5.5V Current: 0.159 to 200 mA Fully supported SD Library Minimal number of SPI port