1- The module complies with international safety standards, control area load area isolation groove;
2- Genuine relay Songle;
3- With the power and relay action instructions, pull bright disconnect does not shine;
4- When a signal in the signal input terminal, the common terminal and the normally start conduction;
5- Microcontroller development board can be used as a module that can be used as a home appliance control;
6- The control of the DC or AC signal, can control 220V AC load;
7- There is a normally open and a normally closed contact;
8- Blue KF301 terminals to the line of control is more convenient.
Description of the low trigger, friends do not understand Take a look at:
