5V 1 Channel Relay Module Low level trigger.

• The module uses genuine quality relay, normally open interfaces
• Using SMD optocoupler isolation, driving ability, stable performance
  
• The module can be high or low by a jumper setting trigger
  
• Fault-tolerant design, even if the control line is broken, the relay will not operate
  
• The power indicator (green), the relay status indicator (red)
  
• The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient
• Maximum load: AC 250V/10A, DC 30V/10A
• Trigger current: 5mA
  
• Working voltage: 5V
  
• Module size: 50 x 26 x 18.5mm (L x W x H)
  
• Four mounting bolts holes, diameter 3.1mm
  
• DC+: positive power supply (VCC)
  
• DC-: negative power supply (GND)
  
• IN: can be high or low level control relay
  
• NO: normally open relay interface
  
• COM: Common
  
• NC: normally closed relay interface
  
• It is low level trigger when jumper connect to LOW pin
  
• It is high level trigger when jumper connect to HIGH pin