JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM Equiped with high-current relay, AC250V 10A ; DC30V 10A 5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current Be able to control various appliances, and other equipments with large current ApplicationSupports all MCU control, The industrial field, PLC control, Smart home control Indication LED's for Relay output status