1、The product has easy design makes assembly easy and more convenient. 2、The product is compact, full‑featured, and highly expandable, and can be competent for projects that do not require high performance. 3、This is a powerful Internet of things development board, standalone board mount, stackable on top, or stackable top and bottom. 4、CPU supports BCM2835 chip 1GHzARM11 core, and SDRAM supports 512MB LPDDR2 SDRAM. 5、Equipped with original welding pin header, and wireless supports 8011 b/g/n wireless LAN 1 x Development Board Item Type: Development BoardCPU: BCM2835 chip 1GHzARM11 coreSDRAM: 512MB LPDDR2 SDRAMSmall Memory Card: 1 x Small Memory card slotMini-HDMI: 1 x Mini-HDMI interface, 1080p 60Hz video outputMicro USB Power Supply: Micro-USB interface is used for power supply and data transmissionUSB On-The-Go: 1 x Micro On-The-GoGPIO: 1 x 40PIN GPIO interfaceWireless: 802.11 b/g/n wireless LANFor Bluetooth: For Bluetooth 4.1Welding Pin Header: Equipped with original welding pin header