1 module using optocoupler isolation and loose music relay control, AC voltage up to 250V, AC current maximum 10A, DC voltage maximum 30V, DC current maximum 10A;
2 with triode drive, drive ability;
3 working voltage 5V
4 with a fixed bolt hole, easy to install
5 Small PCB Size: 4.5cm * 4.6cm * 1.8cm (L * W * H)
6 power indicator (green), two relay status indicators (red)
7 low level pull, high level release.