Relay Board 8 channel 12vdc

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- Color: Red - Material: PCB board - Input voltage: 12V - Relay is high level trigger - Trigger voltage: 12V - Trigger current: >5mA - VCC: Positive power supply input terminal - GND: Negative power supply input terminal - IN1, IN2, IN3, IN4, IN5, IN6, IN7, IN8: Relay control terminal. Input high level make the relay pull-in (Trigger current need over 5mA), input low level release relay - COM: The common terminal. Control signal negative. Short connected to GND - Power LED: When VCC and GND connected to pointed voltage - Relay LED: When relay is pull-in, the LED lighting - Used to control ON/OFF within 220V / 10A - Great for DIY project Dimensions: 5.31 in x 1.97 in x 0.75 in (13.5 cm x 5.0 cm x 1.9 cm) Weight: 3.92 oz (111 g)