433MHz RF Wireless Relay Switch DC 12V 2-Channel Remote Control
433MHz RF Wireless Relay Switch DC 12V 2-Channel Remote Control
DC 12V 433MHz Wireless RF Relay Receiver & Transmitter – Universal 2-Channel Remote Control Switch
Take control of your garage door, lighting, automated curtains, electric locks, and more — all from up to 100 meters away. This compact yet powerful 433MHz RF relay switch delivers reliable wireless control with multiple operating modes, making it an ideal upgrade for homes, workshops, and commercial spaces alike. Made in Mainland China.
Key Features
- 433MHz RF Technology: Stable, interference-resistant wireless communication with a range of over 100 m in open space.
- 2-Channel Control: Independently operate two devices or circuits from a single remote.
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4 Flexible Working Modes:
- Inching (Momentary): Relay connects while button is held, disconnects on release.
- Self-Locking (Toggle): One press connects, a second press disconnects.
- Interlock (Mutual Lock): Button A connects the relay; Button B disconnects it.
- Time-Delay: Relay connects then automatically opens after 5s, 10s, or 15s.
- EV1527 Learning Code: Supports up to 20 stored remotes for flexible multi-user setups.
- MCU Software Decoding: Receiver sensitivity of >97 dBm for dependable signal pickup.
- Output Terminals: NO (Normally Open), NC (Normally Closed), and COM — compatible with a wide range of devices.
- No App Required: Simple button-based pairing and operation — no smartphone or Wi-Fi needed.
- Easy Code Clearing: Press the learning button 8 times to reset all stored codes.
Specifications
| Input Voltage | DC 12V |
| Relay Output | 10A (Max input power 250V) |
| Frequency | 433 MHz |
| Channels | 2 |
| Remote Range | >100 m (open space) |
| Remote Storage | Up to 20 remotes |
| Remote Battery | 2 × CR2016 (3V button cells) |
| Wireless Type | RF (Radio Frequency) |
| Decoding | MCU Software / EV1527 Learning Code |
| Working Modes | Momentary, Toggle, Interlock, Time-Delay (5s / 10s / 15s) |
| App Support | No |
| Origin | Made in Mainland China |
How to Pair Your Remote
- Inching Mode: Press the pairing button once → LED flashes once → press your remote button → LED flashes 3 times (success).
- Self-Locking Mode: Press pairing button twice → LED flashes twice → press remote button → LED flashes 3 times.
- Mutual Lock Mode: Press pairing button 3 times → LED flashes 3 times → press remote button → LED flashes 3 times.
- 5s Delay Mode: Press pairing button 4 times → LED flashes 4 times → press remote button → LED flashes 3 times.
- 10s Delay Mode: Press pairing button 5 times → LED flashes 5 times → press remote button → LED flashes 3 times.
- 15s Delay Mode: Press pairing button 6 times → LED flashes 6 times → press remote button → LED flashes 3 times.
- Clear All Codes: Press pairing button 8 times to reset. Re-pair remotes as needed after clearing.
Great For
- Garage doors & electric gates
- Lighting control systems
- Automated curtains & blinds
- Electromagnetic locks
- DIY home automation projects
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Frequently Asked Questions
Q: What devices can I control with this 433MHz RF relay switch?
A: This universal wireless relay switch is compatible with a wide range of 12V-powered devices, including garage doors, electric gates, lighting circuits, automated curtains, electromagnetic locks, and general-purpose switches. Its NO/NC/COM output terminals make it highly adaptable for DIY and professional automation setups.
Q: How many remotes can be paired with one receiver?
A: The receiver supports up to 20 stored remotes using the EV1527 learning code format. This makes it ideal for households or small businesses where multiple users need independent control.
Q: Can I use this switch outdoors or over long distances?
A: Yes. The 433MHz RF signal has a transmission range of over 100 meters in open space, making it well-suited for outdoor applications like gates and garage doors. Performance may vary depending on walls, interference sources, or obstacles between the remote and receiver.
Q: What batteries does the remote control use?
A: The included remote control requires 2 × CR2016 (3V) button-cell batteries. These are widely available at electronics and convenience stores.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.