This is a 24 channel relay controller board by IORelay.com that supports USB and Ethernet interfaces. The relays are 10A rated. The auction includes an AC power supply as well as a 24v to 12v buck converter, 24 induction suppression capacitors, pluggable connectors, and a USB cable. The Dual Interface Fusion board is configured for USB and Ethernet (Fusion version) control and has two 8 channel GPIO. In this configuration, the board sells for 2 with these accessories.