8 Channel Relay Module Serial/I2C

This Devantech relay module has a serial interface (RS232 at TTL level and I²C), 8 relays with a current rating up to 1Amp (@30vdc or 60vac) and 250Vac (@250mA). The relay module can easily be controlled by a microcontroller or a computer. 

Full specifications: datasheet RLY08.