5V 2-Channel Relay interface board, and each one needs 15-20mA Driver CurrentEquiped with high-current relay, AC250V 10A ; DC30V 10AStandard interface that can be controlled directly by microcontroller (Arduino ,Raspberry Pi, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)Indication LED's for Relay output statusSize: 50.5mm(L) x 38.5mm(W) x 18.5mm(H)(1.99inch x 1.54inch x 0.73inch) 
