DC 12V 315MHz 1-channel Wireless RF Relay Remote Control Switch Receiver Module
5,23 €
Frequency: 315MHz. Wireless digital identification technology, each switch has independently password, do not interfere with each other. 1 x Wireless Transmitter+Receiver. Provide passive switch: NO is normally open port, COM is common port, equivalent to on and off, and when the relay is energized, NO and COM connected.
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