5V 4 Channel Relay Module 4-channel Relay Control Board For Arduino With Optocoupler Relay Output 4 Way Relay Module 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 (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. Package Included: 1PCS*5V Eight 4 Channel Relay Module For PIC AVR DSP ARM For Arduino