1CH 433Mhz RF Relay Smart Wireless Remote Control - Light Switch Transmitter Sockets & Socket Sets If you use your old

If you use your old remote then there is no programming require

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1CH 433Mhz RF Relay Smart Wireless Remote Control - Light Switch Transmitter Sockets & Socket Sets If you use your oldITEM NAME: 1CH 433Mhz RF Relay Smart Wireless Remote Control Light Switch Transmitter img *{margin: 0; padding: 0;. RF Mode of Operation: Superheterodyne Reception. High Signal Sensitivity : The RF signal works through walls & doors and eliminates self interference or mutual interference. Receive Sensitivity: 107dbm.