DAOKI 5PCS 4-Channel DC 5V Safety Relay Shield Module Board with Optocoupler for Arduino DSP AVR PIC ARM TTL Logic<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 5V 4-Channel Relay interface board， and each one needs 15-20mA Driver Current </span></li><li><span class="a-list-item"> Equiped with high-current relay， AC250V 10A ; DC30V 10A </span></li><li><span class="a-list-item"> Standard interface that can be controlled directly by microcontroller (Arduino ， 8051， AVR， PIC， DSP， ARM， ARM， MSP430， TTL logic) </span></li><li><span class="a-list-item"> Indication LED¡¯s for Relay output status </span></li><li><span class="a-list-item"> Each channel needs 15-20mA. Indication LED's for Relay output status. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51vThyQIylL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Ss-TTqxcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41KvG7JY0qL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2BMpo7bKZL.jpg" noproxy>