and high quality! Supports Hardwired /IP Protocols : , UDP, ICMP, IPv4, , IGMP, PPPoE Supports 8 sockets simultaneously Supports Power down mode Supports Wake on LAN over UDP Supports High Speed Serial Peripheral Interfac(SPI MODE 0, 3) Internal 32Kbytes Memory for TX/RX Buffers 10BaseT/100BaseTX Ethernet PHY embedded Supports Auto Negotiation (Full and half duplex, 10 and 100-based ) Not supports IP Fragmentation 3.3V operation with 5V I/O signal tolerance Chip type: W5500 Supports both 3.3V & 5V. Hardwired /IP Protocols : , UDP, ICMP, IPv4, , IGMP, PPPoE 10BaseT/100BaseTX Ethernet PHY embedded Supports automatic response (full duplex / half duplex mode) Supports 8 sockets simultaneously Internal 32Kbytes Memory for Tx/Rx Buffers Power off mode: support Network wake: support SPI interface (SPI MODE 0, 3),convenient connection with MCU Colour:As Shown Material:PC Size:55mm x 28mm Package Contents: 1 x Ethernet Shield LAN Network Module(Due to different product batches, the appearance , which does not affect the use) 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.