5V Relay Module 4-Channel This is a 5V 4-Channel Relay interface board. Be able to control various appliances, and other equipments with large current.It can be controlled directly by Micro-controller (Raspberry Pi, , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).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. Application: Supports all MCU control, The industrial field, PLC control, Smart home control. Fully tested to work with the Raspberry Pi.