Description :
The 8 Way relay can trigger high voltage, high current load such as Motor, Lamps , AC load.
It can control by microcontroller such as PIC, Arduino , Rasperry Pi , NodeMCU and more.
The Relay board inside build in 8units of Opto-Isolator IC 817C. 

Specification :
- Digital 5V Output controllable.
- 10A Maximum Current 
- Maximum Voltage : 250v AC / 30v DC

8 relay output module, the relay output contacts up to 250A 10A. Input IN1, IN2, IN3, IN4, IN5, IN6, IN7, IN8 signal line active low. VCC, GND power input, relay can be a separate power supply relay input JD-VCC.

use:

1, support all microcontroller control.

2, industrial areas;

3, PLC control;

4, home intelligent control