For 5 POE board with PD activation function supports IEEE 802.3af/at network standards. This product includes a PD protocol IC to prevent 5A warning when for starts. Does not occupy for 40P GPIO. Provides higher current Type-C power supply to more standard power supply for Pi5. Supports installation of for official active cooler. Demo Board Type:ARM Input:37V-57V Output:5V 4.5A (MAX) Network Standard:Support IEEE 802.3af/at network standard Note:This product does not include the for motherboard Colour:Black Material:PCB Package Contents: 1 * Expansion Board 1 * Cooling Fan 1 Set * Installation Accessories Only the above package content, other products are not included. Note: Light reflection 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.