Review on π Wireless RF Relay Remote Control Switch, QIACHIP 12V 1CH 433Mhz Momentary Light Transmitter with Receiver (1 Relay) by John Warren
Cheap Quality but They Work Well
These components are built cheaply but they work good at close range. I extended the range to about 60 yards but uncoiling the internal antenna and sliding it through a poly tube sticking out of my waterproof enclosure.
- good
- It does not have a backup power source
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