This is a 433MHz 24V 2 Channel Relay Module Wireless Remote Control Switch without Battery. This switch can learn different coding remote controls One/several transmitters can control one/several receivers simultaneously. If you use a multi-button transmitter, you can control the controller with different buttons, it won’t affect each other.433MHz The wireless receiving controller, with high confidentiality, stable performance, low power consumption characteristic, jump line or dial the code switch coding.
1 x 433MHz 12V 2 Channel, Relay Module Wireless, Remote Control Switch, without Battery
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