Description Be able to control various appliances and other equipments with large currentIt can be controlled directly by Micro controller 8051 AVR PIC DSP ARM ARM MSP430 TTL logic 5V 4 Channel Relay interface board and each one needs 50 60mA Driver CurrentEquiped with high current relay AC250V 10A DC30V 10AIndication LED s for Relay output statusUse Supports all MCU controlThe industrial fieldPLC controlSmart home controlPackage included 10 x 5V 4 channel relay module