Mini Wireless Remote Control Switch DC 6V 12V 24V 36V 60V 1 Channel RF Relay La
Think of them as a wireless on/off switch. Modulation Mode:ASK. RF Frequency: 433MHz. Press the remote button, the relay connects, release the remote button, the relay dis-connects. Press once the remote button, the relay connects, press the remote button again, the relay dis-connects.