The products are suitable for the lighting control system.. Can install it in the module type switch case directly, have manual and programme-controlled functions. For being easy to guarantee security of using, have not driven the coil low-voltagly, for users to select for use. GJ-02 Step By Step Relay 16A/8V¡«¡¢12V¡«¡¢24V¡«¡¢230V¡«