Note: We will send according to the voltage you choose to place the order. Don't worry too much about the voltage of the picture and the voltage of the order you placed.

1. This module complies with international safety standards, and there are isolation slots in the control area and the load area;
2, using genuine relays;
3, with power and relay action instructions, pull-in light, disconnection does not light;
4. When there is a signal at the signal input terminal, the common terminal and the normally open terminal will conduct;
5, can be used as a microcontroller development board module, can be used as home appliance control;
6, control DC or AC signal, can control 220V AC load;
7. There is one normally open and one normally closed contact;
8. The blue KF301 terminal is more convenient to connect to the control line.