2 Channel 5V Relay Module

This is a 5V 2-Channel Relay module, it allows the Arduino to control high power sources (see ratings below).2 Relays on boardNormally Open (NO) or Normally Closed (NC) operationEach 5V Relay requires 20mA driving currentEach relay is activated by an ACTIVE LOW signal (0v).5V 5mA TTL control input which can be directly controlled by Arduino, AVR, PIC, ARM and others.Indication LED for each Relay’s StatusRelays are rated at 10A@250VAC and 10A@30VDCDimensions 4.5cm x 5cm