ITEM NAME:RobotDyn Data Logger Shield Compatible Module For Arduino, Micro-Sd Card + Q5Q9 RobotDyn Data Logger Shield Compatible Module For Arduino, Micro-Sd Card + Q5Q9 Brand Name: RobotDyn SD-card IC driver - CD4050 RTC IC - DS1307 With this Shield can saving data to files on any FAT16 or FAT32 formatted SD card. The included RTC (Real Time Clock) can be used to timestamp all your data with the current time, so that you know precisely what happened when! SD card interface works with FAT16 or FAT32 formatted cards. Built in 3.3v level shifter circuitry lets you read or write super fast and prevents damage to your SD card Real time clock (RTC) keeps the time going even when the for Arduino is unplugged. The coin cell battery backup lasts for years Prototyping area for soldering connectors, circuitry or sensors. colour:black Material:Plastic + metal size:5.2 * 6.7 * 1.8CM Package Contents: 1*Data Logger Shield Compatible Moudle.The coin cell battery backup lasts for years. 1 Data Logger Shield Compatible Moudle. SD card interface works with FAT16 or FAT32 formatted cards. With this Shield can saving data to files on any FAT16 or FAT32 formatted SD card.