1. The onboard standard CM4 connector supports access to the CM4 Lite/eMMC series motherboard, and the quad core Cortex A72 64 bit processor has more performance2. Easy interface location with 4B motherboard for raspberry pie3. On board 4-way USB 3.0 expansion port, with USB 2.0/1.1 transmission4. On board RJ45 Gigabit Ethernet port, 10/100/1000 M adaptive5. On board PoE pin, supporting access to expansion board with PoE functionProduct name: CM4 to Pi4B expansion boardInterface: 1 gigabit network interface, 4 * USB3.0 interface, 1 USB-C interface, 2 * Mini - interfaceVoltage: 5V/3AScope of application: for raspberry pie 4B motherboard, CM4 core boardProduct size: 85 x 56mmColour:blueMaterial:PCB+MetalPackage Contents:1 x CM4 to Pi4 Adapter1 x Screw packageOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.