Wireless Remote Control Switch, DC 12V, 1CH RF Relay Receiver Module, 2 Transmit

The relay have 3 ports ( NC/ COM/ NO port). The item has been set up in latched mode already. Press button “ON” to turn on the relay, press button "OFF" to turn off the relay. 【Strong Signal Reception】There is an antenna on the receiver,so that you can stretch it by yourself to get a stronger signal reception.

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