80MHz High-Speed SPI Interface Built-in Hardware TCPIP Protocol Stack, Users Hardly Need to Master Complex Network Protocol Knowledge Supports Up to 8 Socket Connections Supports TCP, UDP, ICMP, IPv4, IGMP, PPPoE Protocols Integrated Data Link Layer, Physical Layer Supports Wake-on-LAN Supports High-Speed Serial Peripheral Interface (SPI Mode 0~3) Internal 32K Byte Transceiver Buffer Embedded 10BaseT/100BaseTX Ethernet Physical Layer (PHY) Supports Auto-Negotiation (10/100-Based Full Duplex/Half Duplex) IP Fragmentation Not Supported 3.3V Working Voltage, I/O Signal Port 5V Withstand Voltage LED Status Display (Full/Half Duplex, Network Connection, Network Speed, Activity Status) Ultra-small Pin Package for Embedded Applications Provides Application Routines for C Product Features: Power Supply Mode: 3.3V External Power Supply, Current Should Be Greater Than 200mA Control Interface Form: 3.3V TTL Level, SPI Interface; 2* Single Row of Pins Color: Green Material: ABS Size: 23 x 25 mm Package Contents: 1 * W5500 Ethernet Network Module 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 to be a little different from the real one. The measurement allowed error is +/- 1-3cm.