100% brand new and high quality. 
<br />Supports high and low level trigger; Each channel can choose trigger way independently
<br />Max load: AC 250V / 10A, DC 30V / 10A
<br />Adopts SMD optocoupler, strong drive ability and stable performance
<br />Trigger current: 5mA; w
<br />orking voltage: 5V; Allows error
<br />With green power indicator; 
<br />Relay status indicator light;
<br />All ports can be lead out directly, convenient to use
<br />DC+: connects to positive port, DC-: connects to negative port
<br />IN: Can control relay open / close by setting high / low level
<br />NO: constant open port, suspend before close, connect w/ COM after relay closed
<br />COM: common port; 
<br />NC: relay constant closed port, connects w/ COM before close and suspend after closed.
<br />pACKAGE: 1 PC POWER MODULE