Description: Be able to control various appliances, and other equipments with large current.It can be controlled directly by Micro-controller ( , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL).5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current.Equiped with high-current relay, AC250V 10A , DC30V 10A.Indication LED's for Relay output status. Use: Supports all MCU controlThe industrial fieldPLC controlSmart home control Package included: 2 x 5V 4 channel relay module