Working voltage: VCC 4.5~5.5V;
Current: 0.2~200mA;
Interface electrical level: 3.3V / 5V;
On-board 3.3V voltage regulator circuit;
Supports Micro SD up to 2GB;
Micro SDHC up to 32GB;
Leads: GND, VCC, MISO, MOSI, SCK, CS; SPI standard interface ;
4 M2 2.2mm screw installation holes