2 Channel 5V Relay Module Opto-couple For Arduino AVR Raspberry Pi ARM PIC DSPInstruction:This is a 5V 2-Channel Relay interface board、 be able to control various appliances、 and other equipments with large current.It can be controlled directly by microcontroller (Arduino、 8051、 AVR、 PIC、 DSP、 ARM、 ARM、 MSP430、 TTL logic) .Features:5V 2-Channel Relay interface board、 and each one needs 15-20mA driver currentEquiped with high-current relay、 AC250V 10A、 DC30V 10AIndication LED's for relay output statusSize: 50mm x 39cmPackage included:1 x 5V 2 Channel Relay Module (The test module does not includes)