DC 12V 433MHz RF Remote Control Switch 2-Channel Relay Receiver
DC 12V 433MHz RF Remote Control Switch 2-Channel Relay Receiver
DC 12V 433MHz RF Wireless Remote Control Switch — 2-Channel Relay Receiver
Take full command of your garage door, curtain motor, lighting, or other home appliances with this compact and versatile DC 12V 433MHz RF Wireless Remote Control Switch. Featuring a 2-channel relay receiver and EV1527 universal learning code compatibility, this kit delivers reliable wireless control up to 100 metres in open space — no app or Wi-Fi required.
Key Features
- Universal 433MHz RF Signal — Works with a wide range of EV1527-coded remotes; stores up to 20 remote codes on a single receiver.
- 2-Channel Relay Output — Control two independent loads simultaneously; supports NO, NC, and COM output terminals for flexible wiring.
- Multiple Working Modes — Switch between Momentary, Toggle, and Latching Time Delay (5s, 10s, 15s) to suit your exact application.
- 10A High-Current Relay — Handles up to 10A load current (max input 250V), making it suitable for motors, lights, locks, and more.
- Long-Range Signal — Receiver sensitivity greater than 97 dBm ensures a strong, stable connection in real-world conditions.
- Compact Mini Module — Slim, unobtrusive design fits neatly into existing enclosures or control panels with minimal installation effort.
- Easy Code Programming — Simple push-button learning procedure; clear all stored codes by pressing the learn button 8 times.
Technical Specifications
| Input Voltage | DC 12V |
| Frequency | 433 MHz (RF) |
| Relay Output | 2 Channels (NO / NC / COM) |
| Max Load Current | 10A |
| Max Input Power | 250V |
| Receiver Sensitivity | > 97 dBm |
| Transmission Range | > 100 m (open space) |
| Decoding Mode | MCU Software Decoding |
| Remote Code Type | EV1527 Learning Code |
| Remote Storage | Up to 20 remotes |
| Working Modes | Momentary / Toggle / Latching (5s, 10s, 15s) |
| Remote Battery | 2 × CR2016 3V Button Cells |
| App Support | None required |
Programming Guide
Clearing Stored Codes: Press the learning button on the receiver 8 times. All stored codes will be reset and remotes will need to be re-paired.
Toggle Mode (press remote to activate, press again to deactivate):
- Press the learning key 2 times — the LED will turn off, indicating learning mode is active.
- Press the learning key 3 times — the LED blinks 3 times.
- While the LED is on, press Button A on your remote — LED flashes 3 times to confirm.
- Press Button B — LED flashes 3 times to confirm.
- After 3 seconds the LED turns off — pairing is complete.
Contact us for detailed Momentary mode instructions.
Common Applications
- Garage door openers & gate controllers
- Curtain & roller blind motors
- Indoor/outdoor lighting control
- Electromagnetic door locks
- DIY home automation projects
Made in Mainland China.
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Frequently Asked Questions
Q: What devices can I control with this 433MHz RF wireless relay switch?
A: This 2-channel relay receiver is highly versatile. It can control garage doors, motorised curtains and blinds, lighting circuits, electromagnetic locks, and a wide range of 12V DC-powered home appliances — anywhere you need remote ON/OFF switching.
Q: How many remotes can be paired with the receiver at one time?
A: The receiver supports EV1527 learning code and can store up to 20 individual remote controls simultaneously, making it ideal for households or small commercial installations with multiple users.
Q: What working modes are available, and how do I switch between them?
A: The receiver supports three modes: Momentary (relay activates only while button is held), Toggle (press once to activate, press again to deactivate), and Latching Time Delay (relay auto-resets after 5, 10, or 15 seconds). Mode selection is done via the onboard learning button sequence — contact us for the full switching instructions.
Q: Does this remote control switch require a smartphone app or internet connection?
A: No. This is a standalone RF wireless system operating at 433MHz. No Wi-Fi, Bluetooth, or smartphone app is required — it works entirely independently using the included RF remote keyfob.
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.