Features: The Digispark Kickstarter Mini USB Development Board offers a small size and cost effective solution for microcontroller projects, featuring onboards 500mA 5V regulator and USB connection. This development board supports I2C provides 3pins, and 4pins, for various applications. For electronic engineers, developers,enthusiasts, students, and educators to explore programming and prototyping with ease. Perfectly for intelligent home device prototyping, educational programming projects, and designing miniaturized electronic products, this board serves as excellent entry into the world of electronics. With its extensive shielding option and full assembly upon delivery, except for two easy to solder headers,to expand your project's capabilities while maintaining simplicities and affordability. Specifications: Item： Digispark Kickstarter Mini USB Development Board Size：about 23x18mm/0.91x0.71in Weight: about 3g Featuring onboards 500mA 5V Regulator USB Connection：Support Led Light: Support Power Light: Yes Testing Light：Yes Outter Power Supply: -5V or 7-35V Quantity: 2PCS Package Includes: 2PCS USB Development Board note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution