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DC 12V 433MHz 315MHz Wireless RF Remote Control Relay Switch 4CH Receiver Module

DC 12V 10A 1 Channel CH Wireless Relay RF Remote Control Switch Receiver 433MHZ

DC 5V/12V/24V Wireless RC Receiver Switch 1-CH 433MHz Relay Module Self-Locking

DC12V 433MHz 315MHz Wireless Remote Control Switch 1CH 4CH Relay Receiver Module

220V 1CH 433MHZ DC Wireless RF Remote Receiver Transmitter Relay Control Switch