2022 New Relay Remote Switch DC3.7V 4.2V 5V 6V 7.4V 8.4V 9V 12V Output Dry Contact Relay Switching Value NO COM NC 315MHz 433MHz
USD 2.21USD 2.51
2022 New Relay Remote Switch DC3.7V 4.2V 5V 6V 7.4V 8.4V 9V 12V Output Dry Contact Relay Switching Value NO COM NC 315MHz 433MHz