433MHz RF Remote Control Switch 4-Channel Relay Module DC 12V
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Prices updated: 12 Oct 2026
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About this product
A 433 MHz RF remote control kit with a 4-channel relay receiver and a handheld transmitter. It lets you switch four separate loads wirelessly, for example lights or appliances in home automation and DIY projects.
Specifications
- Supply Voltage
- DC 12V
- Number of Channels
- 4
- RF Frequency
- 433 MHz
- Type
- Transmitter and receiver (relay module)
Frequently asked questions
What power supply does the receiver need?
The receiver is rated for DC 12V. Connect a 12V DC supply and observe the polarity marked on the board.
Does the transmitter need to be paired with the receiver?
Yes. The transmitter and receiver are supplied as a matched 433 MHz set. Follow the included instructions for the pairing (code learning) procedure.
