This is a 2 Channel 5V Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Microcontroller(Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) .
1.5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current
2.Equiped with high-current relay, AC250V 10A
2PCS 5V Two 2 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino