[Wide Applications]: Perfect for controlling household appliances, various lamps, and factory equipment, supporting low current control of high voltage and high power devices; [High Stability]: Utilizes single chip microcontroller for reliable performance with strong interference resistance and prevention of false triggering; [Durable Design]: Features a high power voltage regulator tube and multiple heat dissipation holes to maintain consistent and long-term stable operation; [Power Protection]: Equipped with a reverse prevention that safeguards the module from damage caused by short-term reverse power supply; [User Friendly]: Comes with a terminal block and wire, supports external trigger switches for easy installation and versatile control options
What's in the box
1 x Self Locking Relay Module
