RF 433MHz Wireless Relay Switch Receiver – 1/2/3 Gang Smart Switch
RF 433MHz Wireless Relay Switch Receiver – 1/2/3 Gang Smart Switch
RF 433MHz Mini Wireless Smart Switch Relay Receiver
Take control of your home lighting without rewiring or expensive smart home hubs. This compact RF 433MHz wireless relay receiver lets you operate lights and other loads remotely using any compatible 86-type wall transmitter panel. Simply wire it in series with your existing circuit and pair it with the included remote — no climbing stairs, no complicated setup, just effortless wireless control.
Made in Mainland China.
Key Features
- Wide Voltage Compatibility: Works with AC 85–240V (50/60Hz) — suitable for use in most countries worldwide.
- Long Wireless Range: Up to 20–100 m in open areas, giving you whole-home coverage in most residential settings.
- Universal RF 433.92MHz Signal: Uses ASK modulation with learning-code technology — pairs easily with most 433MHz RF transmitters.
- Mini Compact Design: Overall size just 67 × 41.2 × 25.7 mm — fits neatly behind wall plates or in junction boxes.
- Ultra-Low Standby Power: Less than 0.3W consumption at idle — energy-efficient around the clock.
- High Load Capacity: Supports up to 10A maximum current, suitable for lighting circuits and small appliances.
- Toggle Mode Operation: Press once to switch on, press again to switch off — intuitive and straightforward.
- 1, 2, or 3-Gang Options: Choose the configuration that matches your existing wall switch setup.
- Easy Installation: Mount using included double-sided tape or screws — no professional tools required (always power off before installing).
Technical Specifications
| Working Voltage | AC 85–240V, 50/60Hz |
| Working Frequency | 433.92 MHz |
| Modulation | ASK |
| Coding | Learning Code |
| Max Current | 10A |
| Standby Power | < 0.3W |
| Receiving Sensitivity | -108 dBm |
| Wireless Range | 20–100 m (open area) |
| Working Temperature | -10°C to +70°C |
| Overall Size | 67 × 41.2 × 25.7 mm |
| Body Size | 47.4 × 41.2 × 25.7 mm |
| Origin | Mainland China |
How to Pair (Toggle Mode)
- Press the controller's code key 2 times — the LED flashes to indicate pairing mode is active.
- Press the remote control switch 2 times — the LED confirms successful pairing.
- To clear all codes, press the controller key 8 times — LED flashes to confirm code cleared.
Installation Instructions
- Turn off power before beginning any wiring work.
- Connect the relay in series with your lamp circuit: fire wire → L, neutral wire → N; INPUT to the mains input end, OUTPUT to the lamp end.
- Secure the unit in position using the supplied double-sided tape or screw kit.
- Restore power and test before closing the wall box.
Important Safety Notes
- Always power off the circuit before installation or maintenance. Have wiring confirmed by a qualified electrician.
- Replace the remote control battery promptly if the operating range decreases noticeably.
- Keep the receiver away from strong electromagnetic interference sources (metal enclosures, large motors, etc.) for best range.
- Do not use abnormally or exceed rated load — this may reduce product lifespan or create a safety hazard.
- If a wall switch with built-in RF function is already installed on the same circuit, this controller may conflict — use a standalone wireless switch in that case.
For general guidance on home electrical safety standards, visit CPSC Electrical Safety.
Frequently Asked Questions
Q: What is the maximum wireless range of the RF 433MHz smart switch receiver?
A: In an open area with no obstructions, the RF 433MHz relay receiver can communicate with its transmitter at distances of 20–100 meters. Walls, metal objects, and other electronic devices will reduce this range, so performance may vary in typical indoor environments.
Q: Can I use this RF relay receiver with my existing 86-type wall switch panel?
A: Yes — this receiver is designed to work with standard 86-type wall transmitter panel switches in 1, 2, or 3-gang configurations. It uses universal 433.92MHz learning-code technology, making it compatible with a wide range of RF remote panels.
Q: Does the RF smart switch relay work with smart home systems like Alexa or Google Home?
A: This device communicates via RF (radio frequency) at 433MHz and does not include Wi-Fi or Zigbee connectivity. It operates independently via its paired RF remote and does not natively integrate with voice assistants or smart home hubs without an additional RF-to-Wi-Fi bridge.
Q: How do I install the wireless relay receiver safely?
A: Always switch off the circuit breaker before starting. Connect the live (fire) wire to the L terminal, neutral to N, mains input to INPUT, and lamp output to OUTPUT. Secure the unit with the included double-sided tape or screws. Restore power only after confirming all connections. It is strongly recommended to have a licensed electrician verify the wiring.