This is a 5V 2-Channel Relay interface board. It is able to control various appliances, and other equipment’s with a large current. It can be controlled directly by a Micro-controller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic. Features: 5V 2-Channel Relay interface board and each one needs 15-20mA Driver Current; Equipped with high-current relay, AC250V 10A; DC30V 10A; Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic); Indication LED’s for Relay output status Package Content1x 2-Channel 5V Relay Module.