Specifications:

1. This module complies with the standard, and there are isolation slots between the control area and the load area;

2. Adopt Songle relay;

3. With power supply and relay operation instructions, it is bright when it is closed, but not when it is disconnected;

4. It can be used as a single-chip development board module, and can be used as a home appliance control;

5. Control DC or AC signal, can control 220V AC load;

6. There is a normally open and a normally closed contact;

7. It is more convenient to connect the blue KF301 terminal to the control line.