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Frequency: 315MHz. 1 x Wireless Transmitter + Receiver. Wireless digital identification technology, each switch has independently password, do not interfere with each other. 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.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.