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4 Channel 5V Relay Module with Optocoupler
₹229.00₹199.00- One normally closed contact and one normally open contact
- Channel: 4 channel
- Relay Operating Voltage: 3.3V to 5V
- Triode drive, increasing relay coil
- High impedance controller pin
- Pull-down circuit for avoidance of malfunction
- Power supply indicator and Control indicator lamp
- Power supply and relay instructions, lit, disconnect is off;