Wireless Remote Control Relay Output 12V 1 Channel 50 Meter + Transmitter – Micro Ohm Electronics
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1 Channel RF Control Relay Kit | Makerfabs
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2pcs relay module SK108 1W max 2km 4 channels 433MHz | 470MHz Radio Control Switch for Smart Irrigation Control System - AliExpress
DieseRC 433Mhz Universal Wireless Remote Control Switch DC 12V 1CH RF Relay Receiver Module with 1 Transmitter, EV1527 Learning Code Remote Switch: Amazon.com: Tools & Home Improvement
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