A product for Arduino that works with official Arduino boards; Supports Window 8, 64bit system, Linux system, Windows XP / Vista / 7; Onboard 512K memory chips, don't need any memory card, perfect run offline; Using 32-bit high speed CPU, faster processing speed, control more precise and stable; Perfect run offline, need not an external microcontroller or connect the PC, can run thousands of action; Automatically identify the baud rate; USB to TTL serial ports handled separately using different IO mouth, absolutely no any interference; Supply voltage: DC 5V; Input Current: 1A.