16A RF 433MHz Smart Switch Relay – 2-Way Wireless Control Module

16A RF 433MHz Smart Light Switch Relay – Wireless DIY Home Automation

Take control of your lights and appliances without rewiring your entire home. This 16A RF 433MHz Smart Switch Relay Module lets you toggle lamps, LED strips, and other loads wirelessly from up to 100 metres away in open areas — no Wi-Fi, no hub, no complicated app required. Simply install the compact receiver module in-line with your existing wiring and pair it with any compatible 433.92MHz RF remote in seconds.

⚠️ Important: This module uses RF 433MHz technology only. It is NOT compatible with Wi-Fi or Zigbee systems.

Key Features

• Wide voltage support: Works on AC 85–240V (50/60Hz) — suitable for most global mains systems
• 10A maximum current — handles lamps, LED lighting, and small appliances with ease
• 2-way wireless control: Operate the load from two different RF remote locations
• Long wireless range: Up to 20–100m in open areas
• Ultra-low standby power: Less than 0.3W consumption when idle
• ASK modulation with learning code: Easy pairing with any compatible 433.92MHz remote
• Compact form factor: 67 × 41.2 × 25.7mm outer dimensions — fits neatly in wall boxes or enclosures
• Operating temperature: –10°C to +70°C for reliable year-round use
• DIY-friendly: No soldering required; straightforward screw-terminal wiring

Technical Specifications

How to Pair Your Remote

1. Enter pairing mode: Press the controller code key twice. The LED will flash to indicate pairing mode is active.
2. Pair the remote: Press your RF remote switch twice. The light will confirm a successful pairing. (Note: Pairing code mode sets Toggle Mode only.)
3. Clear codes: Press the controller key 8 times to clear all paired remotes — the LED will flash to confirm.

Perfect For

• DIY smart home and home automation projects
• Wireless lamp and LED lighting control
• 2-way switch replacement (control from two locations)
• Arduino, Raspberry Pi, and maker/electronics projects
• Rental properties or spaces where wiring changes aren't practical

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For more guidance on safe electrical installations and home automation standards, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer electrical safety resources.

Frequently Asked Questions

Q: Is this RF 433MHz smart switch relay compatible with Alexa, Google Home, or Wi-Fi smart home systems?

A: No. This module operates exclusively on the RF 433.92MHz radio frequency and is not compatible with Wi-Fi, Zigbee, Alexa, or Google Home. It is designed for standalone RF remote control use or integration into RF-based DIY automation setups.

Q: What kind of remote control do I need to use with this relay module?

A: You need any standard 433.92MHz RF remote control that uses ASK modulation and a learning code protocol. Most generic 433MHz remotes available from electronics suppliers will work. Simply follow the pairing steps above to link your remote to the module.

Q: Can I control the switch from two different locations using 2-way control?

A: Yes! This module supports 2-way wireless control, meaning you can pair two separate RF remotes to the same receiver. This replicates the function of a traditional 2-way or 3-way light switch — ideal for hallways, staircases, or large rooms.

Q: What is the maximum load this relay can handle?

A: The relay supports a maximum current of 10A at AC 85–240V. This makes it suitable for controlling standard light bulbs, LED strips, and small appliances. Always ensure the connected load stays within the rated capacity for safe operation.

Q: How far away can I operate the switch with the RF remote?

A: In open areas with no obstructions, the RF signal range is 20 to 100 metres. Range will be reduced through walls, floors, and other solid structures, which is typical of all RF 433MHz devices.