The Compute Module PoE Board is a development board which you can plug a Compute Module into, and make use of the resources of Pi more flexibly. With the PoE (Power over Ethernet) feature, and versatile onboard peripheral interfaces, it is suitable for evaluating the compute module, also is a perfect choice for end products. GPIO header, for connecting sorts of HATs 10/100M auto-negotiation Ethernet port, with PoE enabled 4x USB ports, allows connecting more USB devices 2x camera interfaces Onboard / interfaces for connecting displays Onboard USB TO UART, for serial debugging Cooling fan interface, auto run on power up OR controlled by IO pins Adopts isolated SMPS (Switching Mode Power Supply) colour:Photo color Material:ABS size:11.4 x 8.5cm Package Contents: 1 x Compute Module IO Board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.