Developed in the United Kingdom by the Raspberry Pi Foundation to promote teaching of basic computer science in schools.It is powered via a USB-C port, enabling additional power to be provided to downstream peripherals, when used with an appropriate PSU.Features: 1.5 GHz 4GB 64-Bit Quad Core ARM Cortex-A72 Processor On-Board 802.11ac Wi-Fi Bluetooth 5 Full Gigabit Ethernet 2 x USB 2.0 ports 2 x USB 3.0 ports Dual Monitor Support (4K resolution) Specification Transmission frequency : 2.4GHz, 5GHz CPU : 1.5GHz 4GB 64-Bit Quad Core ARM Cortex-A72 Processor Flash Memory : 4GB Video Output : 4K with Dual Monitor Support Bluetooth Version : V5.0 External port type : GPIO 40pin Length : 85mm Width : 56mm USB Voltage Input : 5V, 5.1V USB Input Current : 3A, 3A Packaged Volume : 0.17l Packaged Weight : 0.07kg Packaged Length : 9.5cm Packaged Width : 7cm Packaged Height : 2.5cm Supported Wi-Fi Modes : 802.11b802.11g802.11n802.11ac