4.93 €
In Stock
SONOFF 433MHz Wireless RF Remote Wall Switch Button
Brand: SONOFF
4.93€
VAT included (Ex VAT: 4.01 €)
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SONOFF 433MHz Wireless RF Remote Wall Switch Light Smart Home Transmitter
This device is a wireless transmitter that uses 433.92 MHz RF technology to remotely control compatible SONOFF switches, except the Sonoff T1 US model. Designed to integrate into smart home systems, it allows you to switch connected lights or devices on and off from a wall button, making control easier in different areas of the home.
Key features
- Compatibility: Works with all SONOFF products that support RF 433MHz function, except Sonoff T1 US.
- Single channel: Controls one channel for switching on and off.
- Coding: Uses EV1527 code for secure and stable communication.
- Frequency: Operates at 433.92 MHz, standard for domestic RF devices.
- Range: Effective remote control at a distance of 10 to 15 meters.
- Power supply: Works with a 12V type 27a battery, ensuring autonomy and easy replacement.
- Current consumption: Between 20 and 25 mA, efficient for prolonged use.
- Compact size: Approximately 8.6 x 8.6 x 1 cm, ideal for wall mounting without taking up space.
Typical uses
This button is perfect for controlling lights in areas such as staircases, bedside tables, doors and hallways. Its wireless design makes installation easy without the need for additional wiring, adding convenience and a modern touch to any space.
Compatibility and installation
Compatible with most SONOFF devices with RF 433MHz function, this button integrates easily into existing smart home systems. For installation, double-sided adhesive tape is included, allowing the transmitter to be fixed to the wall securely and without hassle.
Package contents
- 1 x SONOFF 433MHz Wireless RF Remote Wall Switch Transmitter
- 1 x Double-sided adhesive tape for mounting
With this SONOFF wireless switch button, improve the functionality of your smart home with reliable, simple and efficient remote control.
- Compatible with SONOFF RF 433MHz products except Sonoff T1 US
- Wireless remote control at 433.92 MHz
- Control range of 10-15 meters
- Single channel with EV1527 coding
- Works with 12V type 27a battery
- Current consumption between 20 and 25 mA
- Compact size of 8.6 x 8.6 x 1 cm
- Includes adhesive tape for wall mounting
Customer Questions & Answers
What is included in the box and what are the exact product dimensions?
The box includes 1 Sonoff RF 433 MHz push button and 1 double-sided adhesive tape for installation. The push button measures 86 mm x 86 mm x 10 mm, making it suitable for installation on most flat wall surfaces.
What maintenance does the push button require, and what is the estimated battery life?
Maintenance mainly consists of replacing the 12 V 27A battery when it runs out, typically every 1–2 years depending on usage frequency. It is recommended to clean the surface and check the mounting periodically. No adjustments or additional wear parts are required.
Is there a risk of interference with other 433 MHz devices, and how is transmission code security handled?
At 433 MHz, interference with other RF equipment can occur, especially if they use similar protocols. This push button uses EV1527 coding, which offers some protection through code variability, but it does not have advanced encryption. For critical applications, it is recommended to consider other RF security solutions.
Which SONOFF devices is this button compatible with?
It is compatible with all SONOFF products that have RF 433MHz function, except the Sonoff T1 US model.
What is the maximum remote control distance?
The remote control distance is approximately 10 to 15 meters indoors.
What type of battery does the button use?
It uses a 12V type 27a battery for power.
How is the button installed on the wall?
The button includes double-sided adhesive tape so it can be fixed easily to the wall without additional tools.
Can it control more than one channel?
No, this button controls a single channel for switching on and off.
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