It's a 4 Channel 5V 10A Relay Module with optocoupler. This relay module can relay a separate power supply relay power input of JD VCC. It has Input IN1, IN2, IN3, IN4 signal line active low, 5V 4-Channel relay board controlled directly by micro-controller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) need 50-60mA driver current
Specification
| Channels | 4 |
| AC | 250V 10A |
| DC | 30V 10A |
| Country of Origin | China |
